BHV-698-Jungchae-RC

This PR is submitted for BHV-698.(http://jira2.lgsvl.com/browse/BHV-698)

This PR is based on GF-58201-blakestephens-RC by Blake Stephens.
And upper-casing features are added into moonstone UI components below.
Especially, the option name for upper-casing was separated depending on the usage.
Some samples are inclueded in this commit such as button, toggle button, and tooltip.

- moon.Dialog : add 'titleUpperCase' option and its handler
- moon.Panel : add 'titleUppperCase' option and bind it with moon.Header's variable
- moon.Button : add 'contentUpperCase' option and its handler
- moon.ToggleButton : modify 'content' handler and enhance content compositor
- moon.Tool : add 'contentUpperCase' option and its handler

Please code review and revision for rc-16.