KnowledgeBase

#SYATE-407 - Relation detector dla user subject <-> kaba 
user subjects that are too short (<4) and contain things other than letters are not connected to kaba subjects

git-svn-id: https://svn.man.poznan.pl/svnroot/synat/A10/software@7354 7cf39abc-cf8c-11df-9ef5-d97d1e642de8