- Use newer libdatrie, libthai, glib, gtk, gda
    - Add gnu iconv for libdatrie
    - DOWNGRADE cairo to 1.8.2 to fix crash when draggin charts
    - minor build fixes for zlib
    - remove stale gtk patches
    - move to git
    - add freetype/fontconfig to work towards evince
    - add gmathml - get pygobject building smoothly - start wrapper to setup external links in the hopes of getting a turn-key build.