Add VSIX packaging support for Windows Phone 8.1 using Visual Studio 2013 Update 2.

FossilOrigin-Name: 013738f3d531078fb47f9992c18a0d630e771a32

diff --cc manifest
index 735ec8ef6c51e4cf0a5031f44355873a5bc2b642,0b5f09bc980aa4509c9b91e3c334629a4502b855..02097b3c0a1b7c582cf3a77ff2f49532fbdbf4b4
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C In\smutex_w32.c,\smake\sinclusion\sof\sthe\sWindows\sheader\sfile\sdependent\son\sSQLITE_OS_WIN,\snot\sSQLITE_MUTEX_W32.
- D 2014-05-12T15:37:03.806
 -C Merge\supdates\sfrom\strunk.\s\sEmit\sthe\sAppliesTo\sand\sDependsOn\sSDK\smanifest\sattributes\swhen\sbuilding\sthe\sVSIX\sfor\sWindows\sPhone\s8.1.
 -D 2014-05-10T17:33:11.251
++C Add\sVSIX\spackaging\ssupport\sfor\sWindows\sPhone\s8.1\susing\sVisual\sStudio\s2013\sUpdate\s2.
++D 2014-05-12T21:12:04.686
  F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
  F Makefile.in dd2b1aba364ff9b05de41086f74407f285c57670
  F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@@ -1170,7 -1170,7 +1170,7 @@@ F tool/vdbe_profile.tcl 67746953071a9f8
  F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
  F tool/warnings.sh d1a6de74685f360ab718efda6265994b99bbea01
  F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
- P 0a4f59676bd0ab33b2c86c9a35a2ebbdbaf09ee7
- R 4aed61add01807e8cd6ee17e1b6f3cd9
 -P a9c81815e1b7a9c05da61f75edac45cb1a954135 0a4f59676bd0ab33b2c86c9a35a2ebbdbaf09ee7
 -R 566b9ec973b9ed84721aad7b56534653
++P 93ffbcc0b1d207950851dbb16a8c101afb949d5f f6237a5f190bd5693ceed0ca1f048c3ec2a4da67
++R c51ed0a7c3ef74dbf1467c7d22b0e47a
  U mistachkin
- Z 68de491dda45b3ab2f8417b0d5d6b640
 -Z d0f2cebdc1f1db62afc3fe0e1790de3f
++Z 837dec045ed2c03443718363cb8f5388

diff --cc manifest.uuid
index 81a48e539c210de88965c3e2e2f6bbc5b852d6da,6f1e86e459db33c246a533f07fc8ea00b9650e72..d3e843960e447f53f1b5058ac77b70a66549b3e3
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 93ffbcc0b1d207950851dbb16a8c101afb949d5f
 -f6237a5f190bd5693ceed0ca1f048c3ec2a4da67
++013738f3d531078fb47f9992c18a0d630e771a32