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"
Removed unnecessary part since a CodeMirror issue was fixed
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.
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
Avoid symbolic link cycles in FileSystemEntry.visit
Simplify _getUntitledFileSuggestion and its caller
Fixing issue #5932

Modifying regex to hide *.*~ files (UNIX backups) from project manager
Merge branch 'master' into jasonsanjose/yeoman

Conflicts:
	src/index.html
	src/main.js
	src/utils/ExtensionLoader.js
Missed a merge conflict in ExtensionLoader
Adding prefix "brackets_unittests" to files that will be moved to trash in unit tests
add sourcemaps for requirejs
Test for link cycles at the point of visitation; detect cycles using visited paths instead of just real paths.
Update the appshell impl to provide the realPath with stats
Normalize realPath and fix a missing JSDoc property
restore default task. new build task for compiling, concat, etc.
Merge remote-tracking branch 'origin/master' into jasonsanjose/yeoman
Fix Live Development issues with Chrome OSX