Add way for plugin to specify label for quick open
Update index.html

Translated the alternative image text to pt_BR.
From "A screenshot showing CSS Quick Edit" to the equivalent "Uma screenshot mostrando o editor rápido de CSS"
Merge with master
Made optional arg handling more consistent in Quick Open plugin API
Clean up various dialog label code paths. Don't set the label before the first call to filter.
Allow plugins that don't care about language to work when no documents are open
inital pass at compiling less files
minify javascript
cleanup copy task
add grunt-targethtml to conditionally use brackets less/css based on dev/dist build.
fix 5742: It should pop up Error opening file dialog if click the image which is deleted from OS.
Adding condition for skipping symlinks when installing extensions via the extension manager

When installing extensions that have symlinks via the extension
manager, they will fail with a message regarding an invalid zip file.
This can be tested with
https://github.com/MiguelCastillo/Brackets-SymbolicLinks
Updated by ALF automation.
Merge remote-tracking branch 'upstream/master'
refactor to share directory searching code used by working set
Avoid symbolic link cycles in FileSystemEntry.visit
increment i before comparing with array length
Merge branch 'master' into couzteau/fix-5742-Error-on-deleted-img

Conflicts:
	src/editor/ImageViewer.js
add isBinary to language def
Merge remote-tracking branch 'upstream/master'