Merge pull request #14 from faceyspacey/master

TelePrompter Overlay, merging to master branch. I will test this shortly and get back to you. Thanks for now!
https://github.com/EddyVerbruggen/VideoCapturePlus-PhoneGap-Plugin/pull/14
- documented the overlayText feature
- made the box surrounding the overlayText grow dynamically in height
[#14] fix for a freeze when showing an overlayText without overlay images
change version and id