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"
Add Greek Localization
Removed unnecessary part since a CodeMirror issue was fixed
inital pass at compiling less files
minify javascript
cleanup copy task
implement step timing function
add grunt-targethtml to conditionally use brackets less/css based on dev/dist build.
- added support for multiple code linter per file type
- added some unit tests for Code Linting
- added a new string for the Code Linting Result Panel Title
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
Merge remote-tracking branch 'origin/master' into randy/timing-func-step2
- removed code to enable/disable code linter
- added more tests
Merge branch 'master' into irichter/code-inspection-improvements

Conflicts:
	src/language/CodeInspection.js
- update the comments
Avoid symbolic link cycles in FileSystemEntry.visit
consolidate code that determines if element is clipped in view
Fixing issue #5932

Modifying regex to hide *.*~ files (UNIX backups) from project manager
- first round of changes based on code review comments
Merge branch 'master' into jasonsanjose/yeoman

Conflicts:
	src/index.html
	src/main.js
	src/utils/ExtensionLoader.js