dumpview: allow opening multiple swfs, context menu: expand all and close menu items
show abc and actionbytes in dump view, hexview style fixes
better scroll to view mode in hex editor
Merge branch 'master' of https://github.com/jindrapetrik/jpexs-decompiler

Conflicts:
	src/com/jpexs/decompiler/flash/SWF.java
	src/com/jpexs/decompiler/flash/dumpview/DumpInfoSwfNode.java
	src/com/jpexs/decompiler/flash/gui/MainPanel.java
	src/com/jpexs/decompiler/flash/gui/TagTree.java
	src/com/jpexs/decompiler/flash/gui/TreePanelMode.java
	src/com/jpexs/decompiler/flash/gui/dumpview/DumpTree.java
	src/com/jpexs/decompiler/flash/tags/DoActionTag.java