Improved sanitizing of configuration names which have a number prefix.
[Travis] Run on all Ruby versions that come with 10.9 and 10.10.
Merge remote-tracking branch 'origin/master' into number_prefix_preprocessor_definitions
Improved sanitizing of configuration names which have a number prefix.
Merge pull request #2700 from HeEAaD/number_prefix_preprocessor_definitions

Improved sanitizing of configuration names which have a number prefix.
[CocoaPods/CocoaPods#1249] Separate header paths for different targets in .xcconfig files.
Test scoped header store per platform
For #1249
[CHANGELOG] Updates for #1249
[Sandbox] Symlink vendored framework headers into the public headers dir.

Fixes #1992.
[Sandbox::FileAccessor] Don't symlink framework headers, just list them.
Merge pull request #2722 from CocoaPods/issue/1992

[Sandbox] Symlink vendored framework headers into the public headers dir.