Added support for marking edges as permanent or forbidden (via mapping)

src/main/java/de/hhu/ba/yoshikoWrapper/core/Core.java

...ain/java/de/hhu/ba/yoshikoWrapper/core/NetworkParser.java

src/main/java/de/hhu/ba/yoshikoWrapper/gui/ColumnMapper.java

...main/java/de/hhu/ba/yoshikoWrapper/gui/EditCostPanel.java

src/main/java/de/hhu/ba/yoshikoWrapper/gui/FormatHelper.java

src/main/java/de/hhu/ba/yoshikoWrapper/gui/MainPanel.java

...a/de/hhu/ba/yoshikoWrapper/gui/ReductionRulesChooser.java