Preprocessing to get rid of xml entity encoding mania.  Redirect is done more properly with drupal functions to avoid escaping issues.
Made islandora_object_lock a strict dependency.  Adding dummy message to theme function for formatting diff if diff is empty.
Updated README
README typo fix
Changes as suggested by Will's code review
Changed README warning language.
Wish there was a way to test this without having to push every time.
Merge pull request #8 from daniel-dgi/7.x

XML Entity Encoding Fix, Redirect Fix, Documentation Update