THRIFT-2813 multiple library fixes/improvements

- TSocket ignores timeout on read()
- TFramedTransport throws Eof after first receive cycle
- TFramedTransport .flush() did not invoke the read callback
- incorrect declaration of logDelegate member variable
- added FlashDevelop project files
- added Haxe files to EXTRA_DIST etc.
- added haxelib.json control file for haxelib.org