cgrep: depends on gmp.
gstreamer 1.4.0
gstreamer: update 1.4.0 bottle.

Closes #31013.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
gcc: 4.9.1

Version bump gcc from 4.8.x to 4.9.1 on @jacknagel’s
[suggestion](https://github.com/Homebrew/homebrew/pull/30872#issuecommen
t-49511203).

Following the discussion I’ve also killed the ``` HEAD ```, but if
Mike/Jack/Adam/Misty/etc want that back in I’ll submit another commit
to re-insert it.
gcc: update 4.9.1 bottle.

Closes #30970.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
jenkins 1.573

Closes #31016.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
requirements: add JavaDependency.

Requested in Homebrew/homebrew-science#1039.
Closes #30852.
dependency_collector: add :java symbol
mesos: use JavaDependency.
tomcat-native: use JavaDependency.
pylucene: use JavaDependency.

Closes #31008.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
gst-plugins-base 1.4.0
gcc: update 4.9.1 bottle.
gst-plugins-base: update 1.4.0 bottle.
gstreamer: update 1.4.0 bottle.