Lock Rspec to v 2.14, since v3.0 has breaking changes
User can specify the path to their xcode project, for cases when it is not in the same directory as the .yml file
Setting the build number will respect the path to .xcodeproj
Added option to configuration for not automatically bumping the build
Merge pull request #36 from rbobbins/master

User can specify the path to their xcode project
User can turn off auto-bumping the build number