Added check for 'skipModules' that allows build to skip pulling in modules.
Added tag 1.6.3 for changeset c7da88a873bb
Added tag 1.6.4-SNAPSHOT for changeset dae2ec8880b6
Merged in joelbalestra/xnat_builder_1_6dev (pull request #71)

Added check for 'skipModules' that allows build to skip pulling in modules.
Fixes XNAT-2916: Set the subject label for the session if the subject already exists. Ignore capitalization.
The "i" in the first "if" statement got chopped off during furious copyright message pasting. (which broke the datepicker), so I put it back in there. ezCalendar.js edited online with Bitbucket