Replaced invalid operator

Caused all images and some other pages to get the following error:
syntax error, unexpected T_PAAMAYIM_NEKUDOTAYIM
Merge pull request #275 from DrudexSoftware/patch-1

Invalid operator causing error
Actually, that causes warnings in other versions; use the static version
Get SQLite:scoreql_to_sql to return something
show some extra help if there are no DB engines available
remove more slashes
Google Analytics Integration

allows users to optionally use google analytics tracking in shimmie by
simply entring the analytics id in the board config.
unnecessary code removed
explicit sorting for PM list
max-width 100% for images inside comments
nicer formatting for tag history log
only use >> quotes at the start of lines
Merge branch 'master' of https://github.com/shish/shimmie2
read-ness column on PM table, for sorting
make sortable tables slightly more obvious
Merge pull request #277 from DrudexSoftware/master

Google Analytics
Remade the sitemap extension
- now makes full sitemap with specific with higher priorities for newer/more popular content
- Sitemap is cached for 6 hours
several things still need to be added
Caching not working properly for various reasons, removed for now
sneaky update
Merge branch 'master' of https://github.com/shish/shimmie2