Revert back to a stable state.
Merge pull request #13 from jordandukart/7.x

Revert back to a stable state.
Re-add update and schema changes to make sure we don't break.
Extra newline.
Merge pull request #14 from jordandukart/7.x

Re-add update and schema changes to make sure we don't break.
Address ISLANDORA-977.
Coding standards
Merge pull request #16 from ruebot/7.x-1.4-ISLANDORA-977

ISLANDORA-977 -- Delete drupal variables on uninstall.
Version bump for 7.x-1.4