Cleaning up IdeaLab.js
Switching the config language selction from content language to user language
Fixing the issue where the image parameter was always taking the placeholder value
"if you add an invalid custom image filename, and then remove it completely, the red “X” is still displayed next to the form field." - fixed
1.) Fixing the infobox being created. Newlines are now added after cretor & timestamp.
2.) Disabling The buttons after a post request to create the new page, the buttons are enabled on an error or the page gets redirected & the form in no longer needed.
Merge branch 'master' into expand

Conflicts:
	gadget/data/Idealab.js
	gadget/js/formsGadget.js