ll10n/es: Some terms refactored and typos fixed
ll10n/es: Some terms refactored and typos fixed

"Versión" is refactored to "revisión" in al places where english term was "revision", since "revision" is used for VCS and "version" for wiki pages.
Some other typos fixed like some plurals and messages.


git-svn-id: eda3d06fcef731589ace1b284159cead3416df9b@9902 af82e41b-90c4-0310-8c96-b1721e28e2e2

walty8/trac,netjunki/trac-Pygit2,jun66j5/trac-ja,jun66j5/trac-ja,netjunki/trac-Pygit2,jun66j5/trac-ja,walty8/trac,walty8/trac,walty8/trac,jun66j5/trac-ja,netjunki/trac-Pygit2