Column support (closes #4904)
Merge pull request #4096 from aeslaughter/columns-4094

Column support
.gitignore update for new revision headers
refs #4070
Skipping bad test
refs #3949
Fix broken link on generated test timing web page. References #4097
Fixup the Python parser so it can properly handle "split" blocks, this may be the source of the issue
with the BISON assessment problems.
refs #3152
Merge pull request #4098 from milljm/test_timing

Fix broken link on generated test timing web page
Merge pull request #4099 from permcody/parser_fix

Fixup the Python parser so it can properly handle "split" blocks