Merge pull request #9 from raphaelm/master

update with latest commits from raphaelm
remove unused imports in SearchResultListActivity, use
supportRequestWindowFeature
Status in result list for iOPAC
SRU works again and supports endless scrolling
Added: Greifswald Uni, Hannover Musikhochschule, Ilmenau Uni, Potsdam
Uni, Schmalkalden FH, Stralsund FH (all PICA)
Merge pull request #212 from johan12345/master

Status in result list for iOPAC