metaforgui and meta have been merged
pointer 'ref' has no dedicated meaning anymore.

remove functionality create reference
add functionality create pointer
now the aspects in the META is available
now the pattern territory is filtered based on the items list
bugfix in filtering
Rename 'pointerList' to 'Set'
rename every 'pointerlist' to 'set' on UI and in code as well
bugfix: decorator connection area mode should not steal rightclick in highlight mode
temporaily the interpreter config option added to context menu
signal flow system to graphML have been implemented
bugfix
Merge branch 'master' into pegasus