Dismiss hints when shift plus up arrow or down arrow is pressed
Tests for delete file/folder from project tree.
only record document changes for non-null keys
Merge pull request #4044 from dloverin/fix-ctrl-space

only record document changes for non-null keys
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.
Added close button to JSLint Panel.
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
Added JSLint Panel toggle.
Added JSLint Panel toggle.
Preventing disabled jslint icon from opening up the panel.
Stop JSLint Error from opening by pressing jslint-valid icon.
Remember lint panel collapsed state.
Merge pull request #4046 from adobe/larz/openclose-jslint

Open and Close JS Lint Panel via Lint Status Icon
fix exception at startup
Merge pull request #4056 from adobe/randy/fix-jslint-exception

Fix exception in JSLint at startup