increased size of main window, re-ordered menu elements
add PersoSim menu icon
added PersoSim menu icon
added basic about dialog
Merge branch 'GuiFacelift' of ssh://git@github.com/slutters/de.persosim.rcp.git into GuiFacelift
added functionality to about dialog
Merge branch 'master' into GuiFacelift

Conflicts:
	de.persosim.rcp/launch/de.persosim.rcp.product.launch
AboutDialog: fixed path to icon
PersoSim icon will now be loaded via URL referencing plugin rather than
relative path
moved open web page methods to newly created RcpUtils class
AboutDialog - caught Exception will now result in user notification
renamed methods, handled and displayed further exception concerning
opening URL
Merge pull request #2 from slutters/GuiFacelift

Added real about dialog and minor gui changes