Bibsearch

- Added arxiv searching and adding
- Added NIPS database
- Added 'where' command for finer grained search (with SQL syntax)
- FTS is not required. DB can be queried through the 'where' command

- Added 'open' command for opening PDFs
- Caching of last search for working with 'open' and other commands
- Now downloads acl.yml file

- Removed biblib dependency and go back to pybtex
- Bugfixes in handling LaTeX files (multiple citations, generating the right keys)

- Added ACL anthology repository of bib files, accesible via bib:// URLs
- Human readable output of references
- Bibliography generation from tex .aux files
- Autogenerated keys based on author name, year and first content word in title
- Custom keys
- backend changed to biblib (probably to be changed back to pybtex)

- Added downloading of URLS if http:// prefix found

- Initial release
- Supports adding a database and minimal searching
- Backend based on pybtex