Have travis submit cdash experimental dashboards

Change-Id: I7486dd809d952aa605372f6f7b3817c33adebbeb
Reduce the max size of job content we test so dashboards don't crash.

Some dashboards have low amounts of memory and allocating large contiguous
chunks caused lock ups or test failures.

Change-Id: I88729d76e795994fcd73fd3e96b4e354a120dbca
Merge branch 'travis_support'

Change-Id: I5305906cb8bd873ba760315cef93981cedfb25a5