Merge pull request #1176 from doertedev/master

Removing homegrown MakeDir(), cleaning up initialization/constants.
Formatting / little bit commenting.
This wasn't working on IE8, and it looks like it isn't needed on modern browsers either. Hopefully fixes #1188.
Merge pull request #1190 from doertedev/master

Screwed up on that one:
Proposed fix for the issue introduced in #1176. See also #1190.
Fixing typo introduced in #1176.
Check if we actually _have_ an uploaded file.
Fix for IE 8/9: Only initialize Stack, if Stack is Present. Fixes bug where making 'internal links' was broken.
Added Modernizr, for IE 8 / IE 9.
We really need this. See #1176
Correct classname is "Symfony\Component\Filesystem\Filesystem"

*Points finger at @doertedev* ;-)
Bumping version to 1.6.1, to make a release with IE-specific fixes.
Added two overrides for fields: No cruft in the output HTML.
Prevent "Illegal offset type" warnings for multiple choice items.
Merge pull request #1195 from xiaohutai/master

Prevent "Illegal offset type" warnings for multiple choice items in Simpleforms.
Remove unneeded bit.
Switching Parsedown from "dev" to "stable" version.
Bumping Base-2014
Let the developer define installed via composer

The latest changes broke my installation, mainly because it's not able to correctly identify if it was installed via composer. So this fix let the development define the constant before this script is triggered.
Merge pull request #1197 from andersonamuller/patch-2

Let the developer define installed via composer