Fixed a number of punchlist and polish items

Changed until to while - changed the name of the scan block - Updated RAM values - changed some blinking alerts - removed redundant VO - added some alert text
Changed another alert text on plot success
Add images for new while blocks
Make loopindex count up as blocks are pushed
Remove blockly indicator in graph tab
Merge pull request #359 from virtual-world-framework/polish-pass-rebase

Polish pass rebase
Merge pull request #347 from virtual-world-framework/until-block

Blockly trace fixes - conditional blocks
Reset VO, Subtitles, and add exit to main menu button
Remove restart button