Bug #9828: Fix python and omni.ja for Mac and Windows.

Firefox requires python 2.7 now, and has a new omni.ja.
Bug #9830: Bump mingw-w64 version to fix compile issue with Firefox 24 ESR

Only bump the version for FF24 builds for now.
Fix #10213; change LDPATH→LD_LIBRARY_PATH in RelativeLink.sh.
Merge remote-tracking branch 'isis/fix/10213-LD_LIBRARY_PATH-missing' into ff24-staging
Linus is called linus.
Update the Gitian Firefox descriptor for Mac OS X

Should now be able to build with our new cross-compiler for Firefox 24 ESRs.
Pull git updates if we're not verifying tags.

The tags are likely branches in that case.
Back out the python building from Mac and Windows.

Their ubuntu base version already included 2.7. No need to build it.
Build Torbutton and Tor Launcher from master for now.
Disable HTTPS-Everywhere's first run tooltips.
Update NoScript version.
Record tor-browser commit in bundle.inputs.

How did we leave this out?
Bump HTTPS-Everywhere version.

This makes use of a custom HTTPS-Everywhere release that has better support
for enabling/disabling mixed content blocking and associated broken rulesets.
Update Changelog for 3.5rc1.
Switch to using tags for the 'alpha' series.
Update langpacks, Tor Launcher, and Tor Browser tags.
Update changelog for Torbutton and Tor Launcher fixups.
Name Linus's gpg key properly.
Bump Torbutton version for New Identity fix.
Bug 10354: Fix localization issues with OSX and Windows.

We forgot to copy the additional omni.ja haxx into the localization loop.