Merge pull request #8 from arnarstef/master

Added image upload in page builders meta boxes
Removed extra tabs
Fixed hr bug on saved page builder elements
Fixed uploader button breaking WYSIWYG media button
Removed tabs and logically named upload type
Logically named upload function
Misc. changes
Permission change
Permission change
Revert "Permission change"

This reverts commit 574463874601c8f19aee220c429026c0201c85dd.
Revert "Revert "Permission change""

This reverts commit dd42a17100a0af8f3776f2a7b50b7c837d09485b.