(part of) documentation in sphinx format
docs: gid-storage
docs: added complex_queries, developers, gid_storage, naming_conventions
docs: download.rst
docs: typos, small fixes
docs: included built files
docs: transparent logo
docs: consistently use lowercase j in jIO
minor style and grammar tweaks
sphinx theme courtesy by Armin Ronacher; content rearranged; removed
build directory from repository
docs: colorful download buttons w/ minified version
docs: small style/content fixes
"make zip" target for all storages, dependencies and minimized version