[1603] Wrong allocation of RechnungsManager EP
Fix EP for omnivore
String to constant replacement
converted ch.elexis.privatnotizen to 3.0.0,
renamed to ch.elexis.base.konsextension.privatnotizen,
added feedback if wrong mandant tries to open note
corrected bug testing user against mandator
added feature for ch.elexis.base.konsextension.privatnotizen
added feature to category.xml
added entry for ch.elexis.base.konsextension.privatnotizen to pom.xml
Merge pull request #16 from marlovitsh/ch.elexis.privatnotizen

ch.elexis.privatnotizen converted to 3.0.0 with additional needed changes