grails 2.4.2

Update to Grails 2.4.2

Closes #30480.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
slurm 0.4.0 (new formula)

Add a formula for slurm, an ncurses network load/traffic monitor.
https://github.com/mattthias/slurm
slurm: add 0.4.0 bottle.

Closes #30467.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
Update r3 to 1.3.2, add graphviz, jemalloc option, add test
libr3. Add three more configure options from old formula
r3: add 1.3.2 bottle.