Merge pull request #8707 from le717/fix-truncate-comments

Clean up comments in StringUtils `truncate()`
Restore hide sidebar shortcut on Mac
Merge branch 'master' of https://github.com/MiguelCastillo/brackets
Merge pull request #8727 from adobe/nj/fix-hide-sidebar

Restore hide sidebar shortcut on Mac
Applied dark variables to brackets.less
Use resultSet array length for total match count rather than using the length of Marked Text.
Merge remote-tracking branch 'origin/master' into randy/issue-6962
warn user when project has too many files, but only once per session
update warning message
Merge branch 'larz/dark-ui' of https://github.com/adobe/brackets into larz/dark-ui
RTC @RaymondLim

Also fix grammar in comment
Merge pull request #8668 from adobe/jeff/fix-8432

add languages to langauge switcher after they are installed
Add dark variables to brackets.less and brackets_patterns_override.less.
Merge pull request #8721 from adobe/jeff/EditorScrollTest

Editor Scroll Test
Missed a few spots.
Applied dark variables to quick docs.
Spacing fix.
Removed unnecessary dark style.
Applied dark style to Recent Projects.
Typo.