Code cleanup

- removing space between method name and colon
- swapping out ids with itemIds
Adding a Time field
Updating PickListField

- fixing doc-comments
- changed triggerClass to triggerCls
Work on Extnd.form.Panel

- doc-comment fixes
- changed to use a 'form' layout if converting fields
- fixing convert methods to call this.add() instead of this.items.add()
some css updates