fix for #185
fix for #192
Merge pull request #193 from janno42/develop

Fixes for #185 and #192
get rid of old authentication hacks
Postgres uses only an int4 for integer columns
integrate all login possibilities on one page

known: copy is bad
always redirect the user to his/her start page

I actually no idea why this was different before
provide access to is_superuser flag
adding auto-checking of admin bit when checking FSR bit