Update controller-base.js

Fixed the comment box
Merge pull request #216 from neocorp64/master

thx
fixing code smell for codeclimate.com
property tool css and help link
added shortcut for apollo mode
undo redo

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fixed links for js, css and contextual help
code cleanup, google closure compil and optim
fixed readme and make file according to the remarks of @Jxcxb91 on https://github.com/silexlabs/Silex/issues/203
fixes folowing code optim, code smell again
fixed deploy heroku
small improvements and fixes
updated unifile version and other npm dependencies
fixed drag issues because of scroll (window and container's scroll)
fixed publish settings text https://github.com/silexlabs/Silex/issues/188
fixed element should be brought forward when dropped
fixed bg image change properties
fixed stage detect scroll left with an offset
fixed a warning due to wrong use of invalidation mechanism of workspace
java 7 support for heroku