Remove Excel AAS Generator Tool from menu

It is not updated for metamodel V3.0 of AAS

Update version

Merge remote-tracking branch 'origin/master'

Merge pull request #31 from rwth-iat/monsieuremre-patch-2

Save add dialogue window position on all events and restore every time

Save all Identifiables in AASX

Currently the `write_aas()` of AASXWriter was used, which saves only AAS and related Submodels. We use now `write_all_aas_objects()` which saves all Identifiables from a given object store.

Closes #30

Set version

Show all items if no search pattern set

Fix bugs with shortcuts

Update version

Remove qpageview from dependencies