Updated Configuration.
Merge pull request #23 from EnthusiasticCode/bump-xcconfigs

Updated Configuration.
Add test to check for objective-c++ compilation

There are some problems with two headers in clang c++ mode so we need a
simple test that compiles as objective-c++
Define ext_methodInjectionBehavior enum using NS_OPTIONS

There is a type mismatch at ext_methodInjectionOverwriteBehaviorMask
static variable initialization in clang c++ mode between simple enum
and int. By declaring that enum using NS_OPTIONS we can specify type
for enum so we doesn't need any casts.
Remove restrict keyword from ext_synthesizeBlockProperty signature
Merge remote-tracking branch 'ikashkuta/master' (pull request #25)
Add macro for checking zero-argument selectors
Don't use ext_checkselector_selector_iter
Add unit test for @checkselector0
Merge remote-tracking branch 'kolyuchiy/zero-argument-checkselector' (pull request #26)
++Configuration for Test configuration
Merge branch 'master' of git://github.com/jspahrsummers/libextobjc
++Configuration again
Note ARC requirement
Added test for early execution of @onExit
Merge pull request #30 from Ahti/master

Test for early execution of @onExit blocks