CodeHintManager guard against timing issues

https://github.com/adobe/brackets/issues/7426
replace trim() with regex
remove global flag -- not needed
respond to comments
found a few more...
fix rte and error found during self check
Fix fontSizeChange event for Restore Font Size command
Stop event from firing twice. Make code work with em units.
rtc: trim in _getSelectorName
fix lastindexof search regex
Only fire event when there is an adjustment in font size
respond to comments -- remove optimizations for between classes case. Add unit test for between classes and multiple classes cases
Merge pull request #7443 from lkcampbell/fix-font-size-event

Fix fontSizeChange event for Restore Font Size command
- update sprint from 38 to 39
Updated by ALF automation.
Merge pull request #7475 from adobe/alf_localization

ALF Automation
Merge pull request #7427 from MiguelCastillo/master

CodeHintManager guard against timing issues
Merge pull request #7439 from adobe/jeff/untrim

replace trim() with regex
Merge branch 'master' of https://github.com/adobe/brackets

# By Jeff Booher (8) and others
# Via Randy Edmunds (3) and others
* 'master' of https://github.com/adobe/brackets:
  Updated by ALF automation.
  - update sprint from 38 to 39
  respond to comments -- remove optimizations for between classes case. Add unit test for between classes and multiple classes cases
  Only fire event when there is an adjustment in font size
  fix lastindexof search regex
  rtc: trim in _getSelectorName
  Stop event from firing twice. Make code work with em units.
  Fix fontSizeChange event for Restore Font Size command
  fix rte and error found during self check
  found a few more...
  respond to comments
  remove global flag -- not needed
  replace trim() with regex
  CodeHintManager guard against timing issues