Rename project in many places; Replace Most Project Logos; Refactor About Tenacity... Dialog (#276)

Add `locale/en.po` file.
Add English to `locale/LINGUAS` list.
Partially duplicate `msgid`s to `msgstr`s in English locale enable eventual key `msgid` changes
Replace former project name with Tenacity in English locale.
Replace former project website with Tenacity compatible usages in English locale.
Modify `AboutDialog.h` by renaming variables.
Modify `AboutDialog.cpp` by replacing usage of pre-fork name in Strings.
Modify AddBuildInfoRow methods to be static in About dialog.
Make License text const in About dialog.
Make pre-fork credits different in About dialog.
Begin adding Tenacity specific credits
Macros starting with `__` are reserved, so I removed the `__` on the About Dialog guard macro.
Remove `AboutDialog::` from usage of `Role` in `AboutDialog.h`
Refactor overly long generator method into separate methods in `AboutDialog.(h|cpp)`
Begin adding Tenacity developer information
Cleanup layout of `AboutDialog.h` and `AboutDialog.cpp`
Add `safedelete` macro to compliment odd `safenew` macro
Add `enum` to `ShuttleGui.cpp` to make it more clear what `Prop` method is doing.
Remove a ton of pointless and/or redunant `#ifdef` usage
Remove pointless singleton in AboutDialog
Make AboutDialog modal on MacOS
Fix reference type use of `auto` in `AudacityApp` b/c it makes unintentional copy.
Update XPM and PNG images using Tenacity assets
Update ICO images using Tenacity assets.
Fix Windows resource script that improperly used `winuser.h` import.
Add `*.aps` to gitignore to prevent IDE RC pre-load file from being committed.
Add default values for pre-processor constants in `tenacity.rc`.
Make changes needed for `Tenacity.exe` binary
Add 8x8 PNG to Windows ICO files
Replace project name in various CMake and CPack file.
Replace project name in various directory structures.
Replace project name in various OS-specific build files.
Replace project name in various documentation files.
Update the PO and POT files using the script.
Fix places where a `.desktop` file was used on Linux.
Replace title of project windows.
Make splash screen click through to `tenacityaudio.org`.
Remove ® from `AboutDialog.cpp`
Modify copyright message in `AboutDialog.cpp`

Signed-off-by: Emily Mabrey <emilymabrey93@gmail.com>

include/tenacity/ComponentInterface.h

@@ -0,0 +1,88 @@
+/**********************************************************************
+
+   Audacity: A Digital Audio Editor
+
+   ComponentInterface.h
+
+   Leland Lucius
+
+   Copyright (c) 2014, Audacity Team
+   All rights reserved.
+
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions
+   are met:
+
+   1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+
+   2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+
+   3. Neither the name of the copyright holder nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+
+   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+   COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+   INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+   BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+   CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+   LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+   ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+   POSSIBILITY OF SUCH DAMAGE.
+
+**********************************************************************/
+
+#ifndef __AUDACITY_COMPONENT_INTERFACE_H__
+#define __AUDACITY_COMPONENT_INTERFACE_H__
+
+#include "Identifier.h"
+#include "tenacity/Types.h"
+#include <wx/string.h> // member variables
+
+class ComponentInterfaceSymbol;
+using VendorSymbol = ComponentInterfaceSymbol;
+
+class ShuttleParams;
+
+/**************************************************************************//**
+
+\brief ComponentInterface provides name / vendor / version functions to identify
+plugins.  It is what makes a class a plug-in.  Additionally it provides an
+optional parameter definitions function, for those components such as commands,
+effects and (soon) preference pagess that define parameters.
+********************************************************************************/
+class AUDACITY_DLL_API ComponentInterface /* not final */
+{
+public:
+   virtual ~ComponentInterface() {};
+
+   // These should return an untranslated value
+   virtual PluginPath GetPath() = 0;
+
+   // The internal string persists in configuration files
+   // So config compatibility will break if it is changed across Audacity versions
+   virtual ComponentInterfaceSymbol GetSymbol() = 0;
+
+   virtual VendorSymbol GetVendor() = 0;
+
+   virtual wxString GetVersion() = 0;
+
+   // This returns a translated string
+   // Any verb should be present tense indicative, not imperative
+   virtual TranslatableString GetDescription() = 0;
+
+   // non-virtual convenience function
+   TranslatableString GetName();
+
+   // Parameters, if defined.  false means no defined parameters.
+   virtual bool DefineParams( ShuttleParams & WXUNUSED(S) ){ return false;};
+};
+
+#endif // __AUDACITY_IDENTINTERFACE_H__