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
Merge pull request #358 from virtual-world-framework/exit-to-main-menu

Reset VO, Subtitles, and add exit to main menu button
Fix for #3930: Empty loop error

Conflicts:
	source/hudInstructions.js
Fix for #3966: Radio not showing up upon scenario reset
Fix for #3970: Blockly behind subtitles
Fix for #3960: Blockly closing on scenario start
Fix for #3971: Objects visible under ramp
Fixed indentation.