Misc small fixes and improvements#226

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5sw wants to merge 6 commits intorowanj:masterfrom

5sw:misc

Commits on Jul 8, 2013

Use enumerateSubmodulesRecursively:usingBlock: to get list of submodules.
5sw
committed

Commits on Jul 9, 2013

Remove unused constructors and commented-out code from PBGitLane
5sw
committed

Commits on Jul 13, 2013

Remove NSString_Regex and use NSRegularExpression instead.
5sw
committed

Commits on Jul 14, 2013