allow widgets to be created around existing elements
setValue and getValue operate on booleans for checkboxes now
add addElement function to Widget class
change tab structure to conform more closely with standard HTML tags (use ul/li/a for tabs)
disable iframe pointer events during drags
add some reasonable default styles to TextInput widget
merge attrs and style keys when composing widget definitions
if you call addWidget with JSON and the JSON has child IDs, add the child IDs to the base widget
Merge branch 'master' of https://github.com/gameclosure/squill

* 'master' of https://github.com/gameclosure/squill:
  change tab structure to conform more closely with standard HTML tags (use ul/li/a for tabs)
  add addElement function to Widget class
  setValue and getValue operate on booleans for checkboxes now
  allow widgets to be created around existing elements
publish Change instead of Select and send the item from the DataSource
default width/height breaks css rules
added 'selections' option to ListView
Merge pull request #12 from gameclosure/feature-listview-selections

added 'selections' option to ListView
checkbox getValue should only return a value if it is checked
update SelectBox widget support for passing a list of options in opts and having a default value
add SelectBox for widget type 'select' and id getter
add forEachDescend to iterate over all descendant widgets; update select box to skip publish on invalid values
TabbedPane can now be cleared
infer an id for items
Merge pull request #13 from gameclosure/feature-tabbedpane-clear

TabbedPane can now be cleared