CS fixes. Use enum for elements visibility.
Fixes in analyzer and element_actions packages.
Fixes and cleanup in elements_actions and layout
CS fixes and code clean up.
Remove unnecessary method setTagType().
Merge remote-tracking branch 'origin/develop' into fixes

Conflicts:
	src/element_actions/BlockMouseListener.java
	src/element_actions/ElementActions.java
	src/element_actions/PopupItemListener.java
	src/element_actions/PopupItemMouseListener.java
	src/element_actions/PopupListener.java
	src/gui/GPopup.java
Improve LayoutParserTreeElement enum.
Merge remote-tracking branch 'origin/develop' into fixes
CS fixes. Improve security by adding some getters and setters.
Update OCR analysis
Merge pull request #66 from MPS-UPB/fixes

Fixes