fixing travis build

commenting out TimeTableModel.java
removed auto-generated RCP tutorial things

View and NavigationView mostly
added simple FileDialog to dummy's wizardpage
extended dummy's wizardpage

prepared the Wizard to know what file to open when Finishing it
made extension point for New...
fixed StructureTest and CompatibilityTest
DummyOpenWizard creates a dummy DataProviderImpl
finished openWizard and newWizard extension points

and made XmlDataProvider to work with the current gui.
It is possible to (partially) read .fet files from the gui now.
extended the New... action

it starts with a wizard now which will get the Institute name, comment,
days, hours from the user.
After that, the old procedure comes: the selection of the extensions,
then opening the selected extension's wizard and giving them the
information gained from the new first wizard.
Not complete yet, it needs wizardpages.
finished Wizard for New...

with massive renames, models for wizards/wizardpages and new packages
just renames
removed commands and bindings from rcp sample
added Day and Hour to org.confetti.core
added EntitiesView