Merge pull request #46 from jarlg/master

Fixes toolbar positioning on edges
Generates new dist files
Adds .editorconfig file
Adds gzip report to uglify task
Removes data-disable-* from demo
Normalizes script and style names
Adds repository to package.json
Moves build badge down
Fixes #49
Separates demo editables
Fixes #50 #48 #34 #7

This commits changes the way we append elements, now we use
the formatblock command. It also changes the quote element
to blockquote.
Adds a format block 'p' to empty elements
Checks if node has children before formatting block to p
Fixes blockquote behavior on Firefox by using outdent command instead of blockquote
Fixes #33
makes placeholders optional; activate by adding .editable to .medium-editor-placeholder
fixes styles for placeholders