Issue #1879002: Fix notices thrown on user page for uninitialized config.
Small code clean-up (and commit test).
Fixed a bug with an incorrect function name in project_issue_availability.install.
Removed trailing whitespace.
Issue 1224866 by mr.baileys: Allow users to override issue limit when assigning to self.
by mr.baileys: Fixed a typo in doxygen block.
Issue #1107022 by mr.baileys: Remove project_issue_availability_states on uninstallation.
#1090890 by mr.baileys: Fixed XSS vulnerability on project issue state.
#1090874 by mr.baileys: Fixed Use user menu loader function to validate uid in path.
#1091012 by mr.baileys: Fixed Use db_placeholders() instead of implode.
