tomcat devel 8.0.5

Closes #27934.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
gifsicle 1.81

Update gifsicle and make X11 dependency optional

Closes #27915.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
qbs 1.1.2 (new formula)

Qt Build Suite, a cross-platform build tool.
http://qt-project.org/wiki/qbs
qbs: add 1.1.2 bottle.