[DOC,INTERNAL] dox template: signature in top box keeps line breaks again
[DOC] Marking subclasses explicitely as such.
[DOC,FIX] search result order for akas and subentries fixed

Previously, no tokenization of akas and subentries values was performed, doing this now.
[DOC,FEATURE] dox system: allow validation of user's dox
[DOC,FIX] Fixes to dox that were uncovered with new validator.
Merge pull request #43 from holtgrewe/feature/docs_update

[FIX,DOC] Some fixes and updates to dox system.