Rebranding!

Replaced “mixlr-toolkit” with “jefflr”;
Fixed extension

Added jquery (extensions don’t use on-page jquery, apparently);
Fixed nav issue;
-Removed unneeded .toString()
Merge branch 'mixirc-ng'
Merge branch 'mixirc-gnu' of https://github.com/Hajitorus/jefflr into Hajitorus-mixirc-gnu
Merge branch 'Hajitorus-mixirc-gnu' into mixirc-ng
-Removed some commented code
-Removd unneeded .toString()
Kill JS, wrap long lines.
Merge remote-tracking branch 'remotes/hajlr/mixirc-gnu' into remotes/jefflr/mixirc-gnu
Merge remote-tracking branch 'remotes/jefflr/mixirc-ng' into remotes/jefflr/mixirc-gnu
Merge branch 'mixirc-gnu' of https://github.com/therealtakeshi/jefflr into mixirc-gnu