Update README.rst; add openbel.org contact info

Adds a "Getting Started" section as well, using @abargnesi's
resource generator as an example.
added vim-bel syntax highlighting to contributions
Moved vim support to openbel-vim
added git_mirror script to contributions
Added bel2rdf project
Adding BEL to RDF converter script
added missing ruby modules for bel2rdf conversion
added example bel that successfully parses to RDF
set to python3; add utf-8 encoding; remove test*
Parser stuff.
Parser stuff.
Parsers working, SwissProt needs to capture more data.
commit for branch.
Equivalence work.
Synonym stuff.
Working on SwissProt parser.
Synonyms branch.
Branch without synonyms merger.
parsers commit
Parsers Entrez, HGNC, MGI, RGD, SwissProt complete.