Dismiss hints when shift plus up arrow or down arrow is pressed
Tests for delete file/folder from project tree.
add PAGE_UP and PAGE_DOWN keys
Merge pull request #3955 from dloverin/shift-up-down

Dismiss hints when shift plus up arrow or down arrow is pressed
revert ctrl-space fix. Need to investigate possible problem with 'empty' updates.
Merge pull request #4011 from adobe/rlim/delete-file-unit-tests

Tests for delete file/folder from project tree.
Merge pull request #4045 from dloverin/revert-ctrl-space-fix

revert ctrl-space fix.
Merge branch 'master' of https://github.com/adobe/brackets into larz/openclose-jslint