[PATCH 00/21] My patches

[Jean-Charles BERTIN]

These are my patches for gnustep-base which fix some problems
reported by clang 3.3.
I also added support for libdispatch main queue but you will need
my libdispatch at <https://github.com/jcbertin/libdispatch/tree/linux-1.1>
You may ignore patches about property attributes test because
I push these in gnustep-libobjc2 instead.

Jean-Charles BERTIN (21):
  Fixed GSXML test with NSDate.
  Added more tests to property attributes.
  Fixed alignment warnings.
  Fixed -release method definition for GSAvahiRunLoopContext class.
  Fixed GSShellSortPlaceHolder class definition.
  Fixed compilation warning.
  Fixed ivar _infoLock definition for GSAvahiNetService class.
  Added delegate methods definition for NSNetService and
    NSNetServiceBrowser classes in NSNetServicesPrivate.h header.
  Added missing delegate accessor in GSAvahiNetService class.
  Added more test for property attributes.
  Added NS_REQUIRES_NIL_TERMINATION, NS_FORMAT_FUNCTION and
    NS_FORMAT_ARGUMENT macros where is is needed.     Fixed a lot of
    format warnings/bugs due to this.
  Moved NS_REQUIRES_NIL_TERMINATION, NS_FORMAT_FUNCTION and
    NS_FORMAT_ARGUMENT macros to GSVersionMacros.h, where they should
    belong.
  Fixed typo.
  Added GSRegisterThreadWithGC() function. Export it for external usage.
  Fixed libdispatch runtime initialization.
  Added check for libdispatch with GNUstep runtime support.
  Fixed main thread support.     Added support for main run loop.
  Added support for libdispatch main queue in the main run loop.
  Fixed visibility attributes.
  Minor cleanup.
  Fixed typo.