Merge pull request #341 from robert-schmidtke/master

Fixed -o mount option aliases #205
cpp: libxtreemfs: split options test into separate methods
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' into strict-ssl
cpp: libxtreemfs: added mode for temporary file creation
cpp: libxtreemfs: extracting CAs from PKCS12 and using them as verify file
cpp: libxtreemfs: added verify certificates for PEM options as well