updated the addClass method to not add extra whitespace. Class views are now html5 tables.
corrected table formatting
got tools added to the classview so that we can move create delete and edit properties. ContentEditable is currently not working on my test machine however, this could be a browser bug or restriction.
contenteditable classview now added to svg
Merge branch 'develop' of https://github.com/cullenr/uml-frontend into develop