Backout eecd3aa199e6 (bug 776305), 62facd5b3da9, c6a0ac7d47d2 & 2d56621abfee (bug 776035), e4e68cf2bd40 (bug 776016), 0853a4d49b4e & 31de6ffdedcb (bug 770426), 43a69b4981f5 (bug 756786) for Windows mochitest crashes

--HG--
extra : rebase_source : 183331b565d8c0577c9ba60a89f3c1ea6b11af9a

Bug 738832 - Allow desktop runtime to support webRT installs (mozApps.install API) [r=myk, r=felipe]
Use the runtime folder to get a reference to webapprt-stub instead of process folder, which is one level too deep from the runtime. Handle webapps install requests by showing a prompt like the geolocation prompt.

bug 745980 followup - define MOZILLA_OFFICIAL in webapp runtime Makefile so Crash Reporter gets enabled in official builds; r=felipe

--HG--
extra : rebase_source : 19aa82a6a5120fa96883a263927f824f702da34a

bug 763778 - use PREF_JS_EXPORTS to preprocess/install webapp runtime's default prefs file; r=bsmedberg

--HG--
extra : rebase_source : a654027913cfe4f5f08cfa73990bff6c10cbce14

Show a prompt asking the user to share or not geolocation info with the option to remember.

--HG--
extra : rebase_source : f6fdf84a3d675ad52e973cd5f4b4d1cf84394fb1

bug 749029 - set appcache permissions on webapp firstrun so apps can use the appcache to run offline; r=felipe

bug 747394 - rename webapprt/application.ini to webapprt/webapprt.ini to work around an issue in a build script that looks for Firefox's application.ini, which busted nightly partial updates, on a CLOSED TREE; r=bsmedberg, a=khuey

bug 746156 - isolate webapp runtime files into subdirectory of Firefox package; r=bsmedberg, a=akeybl

Add a content policy to detect off-origin navigation to redirect to the default browser.

Bug 761516. Rename webapprt/linux to webapprt/gtk2 as we are building for all gtk2 platforms. r=marco

--HG--
rename : webapprt/linux/Makefile.in => webapprt/gtk2/Makefile.in
rename : webapprt/linux/webapprt.cpp => webapprt/gtk2/webapprt.cpp

Bug 747990 part 2: make use of UAName attribute to have the web app runtime use the associated application's UA string, r=myk

--HG--
extra : rebase_source : 2b7cdba3c31cfd65a5b4e560a7854c83c460ab08