Preliminary changes to support building VSIX packages for Windows Phone 8.1.
Preliminary changes to support building VSIX packages for Windows 8.0 and Windows Phone 8.0 using Visual Studio 2013.
Merge updates from trunk.
Merge updates from trunk.
Merge updates from trunk.
Refactor VSIX package creation tool to better support Visual Studio 2013.
Merge updates from trunk.
Merge updates from trunk.
Merge updates from trunk.
Further MSVC makefile changes to support Windows Phone 8.1.
Merge updates from trunk.  Emit the AppliesTo and DependsOn SDK manifest attributes when building the VSIX for Windows Phone 8.1.
In mutex_w32.c, make inclusion of the Windows header file dependent on SQLITE_OS_WIN, not SQLITE_MUTEX_W32.
Add VSIX packaging support for Windows Phone 8.1 using Visual Studio 2013 Update 2.
Improve a comment in the MSVC makefile.  No changes to code.