merge from 2.12.3 to dev

Release 2.12.2 of BEXIS2

Update issue templates

add actual behavior to the template

add sql files for specific updates

Update Release Notes/BEXIS2113_Release_Note.docx

Merge branch 'releases/2.11.1' of http://bexis2.vmguest.uni-jena.de:8…

…080/tfs/BExIS/Core/_git/Code into releases/2.11.1

- small fixes in sync materialized view

- small fix in index primary data

small changes

label that marks the start of release period for version 2.11 based o…

…n dev branch

first version of the 10th BEXIS release