fixes bug 1058283 - Make a contribute.json endpoint
Fixes bug 1061683 - Update forced versions for correlations for Firefox cycle starting 2014-09-02
Merge pull request #2313 from peterbe/bug-1058283-make-a-contributejson-endpoint

fixes bug 1058283 - Make a contribute.json endpoint
Merge pull request #2322 from KaiRo-at/master

Bug 1061683 - Update forced versions for correlations for Firefox cycle starting 2014-09-02
Move breakpad download to bootstrap.sh
Merge 'make stackwalker' into bootstrap script.

fix bug 1038358
Remove comment about `make breakpad` in bootstrap
Remove breakpad.tar.gz after unpacking in bootstrap