Fix bug for empty username submit.
Remove console.log
Michael's usernameChangeHanlder condition and patch for empty username.
Merge pull request #27 from ualerts-org/FixEmptyUsernameBug

Fix bug for empty username submit.
Fix leading space username
Merge pull request #28 from ualerts-org/FixEmptyUsernameBug

Fix leading space username
Added include for GlobalMessageIndicator.js to index.jsp
Added GlobalMessageIndicator as listener to index.js
Started GlobalMessageIndicator.js
Added sound playback (Part of ACE-66)
Added sounds
Added PAGE_CONTEXT global to index.jsp
Switched from timeout timer to interval timer
Added docs