g2 6.x-1.1-alpha1

Changes since 6.x-1.0

- G2 main page can now be generated by a PHP function in module code instead of only a node
- DFN-generated links now carry a g2-dfn-link CSS class for easier theming
- Views integration
- Hover tips on DFN links to local glossaries
- RSS feeds are now generated using theme('feed_icon') instead of theme('xml_icon')

Bug fixes:
- Better upgrade path from 4.7.x / 5.x : migrate old token subsitutions
- #1047248: PostgreSQL compatibility for blocks
- i18n fixes: some strings were not translatable
- g2/initial no longer returns 404, but redirects to G2 main page

Various quality improvements
- Remove use of preg_replace /e mode
- Split administrative page to separate file