Added a close button for the tabs (ButtonTabComponent).
Fixed the setting of drawUnproper.
Fixed drawing in InclusionResultDialog.
Added change listener which changes the drawUnproper checkbox to the
drawUnproper state of the active tab.
Fixed drawing in OpenProblemDialog.
Fixed a bug when no tab was open and you try to draw in the active tab.
Minor changes in tabbedpane.
Maybe fixed IQDialog?
Added method getGraph() to the Interface and implemented it
Moved the coloring into the ISGCITabbedPane and fixed it partially.
(TODO getting colors from option menu instead of hard coded.)
Small change in GraphClassSelectionDialog for java 1.6 compatibility.
Fixed searching in drawing.
Fixed the setting and getting of the coloring scheme per tab.
Fixed a bug where deleting the last tab would cause an
indexOutOfBoundException.
Minor formating of the code.
Using java 1.6 in build.xml

Not optional anymore
Minor refactoring
Changed LatexGraphics to SingleTon pattern

And fixed consecutive errors
added mouse listener in ISGCITabbedPane to trigger popup menus on
edges/nodes. NodePopup and EdgePopup not yet adjusted
Merge branch 'master' of https://github.com/SebiH/KonDrawer-JGraphX-Integration.git
Added latexlabel to JGraphXInterface
Changed Tabname to latexlabel

also improved the code style
Added and implemented abstract factories

For DrawingLibraryFactory