[feature] add static analysis for empty-sequence on self:: && descendant-or-self:: axis (error XPST0005)
[feature] add static analysis for empty-sequence on self:: && descendant-or-self:: axis (error XPST0005)

svn path=/trunk/eXist/; revision=12171

joewiz/exist,jessealama/exist,shabanovd/exist,patczar/exist,jensopetersen/exist,MjAbuz/exist,ljo/exist,windauer/exist,patczar/exist,wolfgangmm/exist,RemiKoutcherawy/exist,patczar/exist,wolfgangmm/exist,wolfgangmm/exist,opax/exist,kohsah/exist,kohsah/exist,wolfgangmm/exist,windauer/exist,eXist-db/exist,shabanovd/exist,dizzzz/exist,adamretter/exist,MjAbuz/exist,MjAbuz/exist,RemiKoutcherawy/exist,windauer/exist,zwobit/exist,jensopetersen/exist,dizzzz/exist,wolfgangmm/exist,opax/exist,RemiKoutcherawy/exist,adamretter/exist,kohsah/exist,jensopetersen/exist,opax/exist,opax/exist,lcahlander/exist,hungerburg/exist,windauer/exist,joewiz/exist,joewiz/exist,jensopetersen/exist,wshager/exist,ambs/exist,lcahlander/exist,hungerburg/exist,ambs/exist,dizzzz/exist,eXist-db/exist,jessealama/exist,patczar/exist,olvidalo/exist,RemiKoutcherawy/exist,ambs/exist,jessealama/exist,MjAbuz/exist,eXist-db/exist,jensopetersen/exist,jessealama/exist,zwobit/exist,eXist-db/exist,wshager/exist,eXist-db/exist,zwobit/exist,ambs/exist,ljo/exist,kohsah/exist,lcahlander/exist,dizzzz/exist,shabanovd/exist,wshager/exist,patczar/exist,adamretter/exist,hungerburg/exist,lcahlander/exist,adamretter/exist,wshager/exist,wshager/exist,ambs/exist,dizzzz/exist,adamretter/exist,ljo/exist,ambs/exist,opax/exist,ljo/exist,RemiKoutcherawy/exist,lcahlander/exist,olvidalo/exist,olvidalo/exist,lcahlander/exist,joewiz/exist,windauer/exist,wshager/exist,shabanovd/exist,hungerburg/exist,jessealama/exist,ljo/exist,zwobit/exist,patczar/exist,zwobit/exist,ljo/exist,kohsah/exist,adamretter/exist,shabanovd/exist,MjAbuz/exist,wolfgangmm/exist,RemiKoutcherawy/exist,eXist-db/exist,joewiz/exist,hungerburg/exist,shabanovd/exist,MjAbuz/exist,jessealama/exist,joewiz/exist,olvidalo/exist,dizzzz/exist,jensopetersen/exist,windauer/exist,zwobit/exist,olvidalo/exist,kohsah/exist