CESNET/perun: Release 3.9.6

<ul> <li><strong>This version contains DB changes!</strong></li> </ul> Changes <ul> <li>Allow to set secondary group name regex.</li> <li>Added EnrichedHosts (Host with its attributes).</li> <li>New module for erasmus persistent shadow.</li> <li>Keep last_access timestamp when moving UES.</li> <li>Support additional identifiers in registration process for eduteams.</li> <li>Added getAdmins for resource manager.</li> <li>Added missing logic for re-schedule interval in service provisioning.</li> <li>Converted all char(1) columns to boolean. including member.status column.</li> <li>Removed all unused status columns.</li> <li>Use GWT 2.9.0 to build perun GUI.</li> <li>New method in API to submit application.</li> <li>Optimized search for members/users, should be quicker.</li> <li>Validate sponsored membersh after adding sponsorships.</li> <li>New methods to work with entityless attributes and their usage in GUI to prevent data/key mismatch.</li> <li>Separate logs for group synchronizations.</li> <li>Case insensitive check for duplicates in tcsMails:mu.</li> <li>Travis CI replaced with GitHub CI.</li> <li>Removed never used attribute cache.</li> <li>Simplified code to read attribute value.</li> <li>Fixed checks in login-namespace:vsup.</li> </ul&gt