and remove lots of labels from calls to gimp_prop_foo_new(). Also
had to manually remove some unwanted labels that are now added
automatically, fixes bug #761880.
- Formatting and indentation
- Handle GIMP_TOOL_ACTION_COMMIT
- Fix calls to gimp_tool_control_activate()/halt()
- Move variables to local scopes
- Remove and reorder includes
- Remove redundant members from the tool struct
- Set members to NULL after freeing them
- And whatnot...