1.4.3 - Guards against core upgrade bug when events are involved.

1.4.2- Loads bootstrap.js for c5.6.0.2

1.4 - ccm.app.js moved to addFooterItem, cleaner uninstall, fixed make_attributes() typo.

1.3 - Additional attribute and block to pull in ccm.app.js

1.2 - Now tests is a user is logged in before continuing with addheaderItem. jQuery.ui is already loaded if a user is logged in and addHeaderItem should take care of duplicates, but there have been bugs. Hence the theoretically redundant change.

1.1 - Marks compatibility with C5 version 5.5. No actual changes.