Issue3773: Show Indexing Max Files Exceeded Error Dialog once
Issue3773: code review comments, reset index maximum flag when new project is loaded
updated the update icon
Merge pull request #3834 from adobe/garthdb/updateicon

updated the update icon
Merge pull request #3783 from dschaffe/dschaffe/MaxIndexFileShowOnce

Fix for #3773: Only show 'Indexing Max Files Exceeded' dialog once per project
Merge branch 'master' of https://github.com/adobe/brackets into mywork4