Removed const casts which became unnecessary after #1141.
Removed const casts which became unnecessary after #1141.

asgeroverby/cpputest,cpputest/cpputest,KisImre/cpputest,Mindtribe/cpputest,cpputest/cpputest,KisImre/cpputest,Mindtribe/cpputest,offa/cpputest,PaulBussmann/cpputest,offa/cpputest,offa/cpputest,PaulBussmann/cpputest,asgeroverby/cpputest,PaulBussmann/cpputest,asgeroverby/cpputest,Mindtribe/cpputest,Mindtribe/cpputest,cpputest/cpputest,basvodde/cpputest,KisImre/cpputest,asgeroverby/cpputest,basvodde/cpputest,basvodde/cpputest,KisImre/cpputest,basvodde/cpputest,cpputest/cpputest,offa/cpputest,PaulBussmann/cpputest