* New widget div functions, used in context menu code
* Make all widget div positioning functions use the same argument order
* Use new widget div functions for fields
* share code for measuring menu size
* Get rid of positionMenu
* Update copyright date
* Rebuild blockly_uncompressed because there's a new require in town
* * apply bootstrap3 integration fixes
* Injection subcontainer
Include svg and div into a master container, which allow css better
positioning (overflow scrolling problem)
* * Fix toolbox positioning (rtl and ltr). Because toolbox if relative to injection div, only adjust it to left (ltr) or right (rtl) edge
* * fix style (thanks to @NeilFraser)
* * revert msg files
Unless they could be converted to use goog.dom.TagName, in which case do
that. createDom is going to require goog.dom.TagName member as the
tagName parameter. This change prepares for that.