Fix compilation problems with latest version of FreeRDP/FreeRDP master

Library names have been completely renamed into FreeRDP/FreeRDP master
branch. This commit updates Remmina's cmake files according new names.
Merge remote-tracking branch 'upstream/gtk3' into gtk3
Removed HTML tags to avoid gettext conflicts
Merge remote-tracking branch 'upstream/gtk3' into gtk3
Fix missing extended keycode and 'up' action when sending release key events. Fixes #7

When a remmina RDP window lose its focus, all pressed keys are removed
by sending a release event to the RDP server. This event was
missing the extended keycode and the 'up' action.
gettext and markup fixes
SSH cleanup and fixes

Removed deprecated functions of libssh and obtain public key
from private key file. Fixes #262.
Fix label too large that was preventing input on field
Fixes #223: correctly set host CertificateName when in SSH tunnel.
Remove unneeded debug line
Manually merged commit 'b68192e898e51346c1d297514bcf84f1a29c83a5'