Use Pygments' `__version__` information, if loaded from source and no pkginfo data can be found.
Use Pygments' `__version__` information, if loaded from source and no pkginfo data can be found.



git-svn-id: f68c6b3b1dcd5d00a2560c384475aaef3bc99487@4559 af82e41b-90c4-0310-8c96-b1721e28e2e2

moreati/trac-gitsvn,exocad/exotrac,dokipen/trac,exocad/exotrac,moreati/trac-gitsvn,dafrito/trac-mirror,dafrito/trac-mirror,dafrito/trac-mirror,exocad/exotrac,dokipen/trac,dafrito/trac-mirror,moreati/trac-gitsvn,exocad/exotrac,moreati/trac-gitsvn,dokipen/trac