Add ability on server-side to move items and folders

to new parents
Add tests for moving of items and folders
Assert write access is required on dest parent for moving resources
Accidentally a word
Merge pull request #282 from girder/move-resources

Move resources
Stop passing meaningless options to grunt-watch directives
Merge pull request #283 from girder/remove-unused-watch-opts

Stop passing meaningless options to grunt-watch directives
Adding item creation in the client.
Adding basic test of item client item creation
More waiting on group creation to make things pass.
Revert "More waiting on group creation to make things pass."

This reverts commit f57fff659163aa43a892a109d734f5a2125ead89.
Closure for group and item views.
Merge pull request #287 from girder/item-create-and-test

Item create and test
Items can be deleted if parent's access level is WRITE, fixes #288
Testing read-level delete fail, write-level delete success