Fix GTK2 compatibility

Fix two GTK2 version issues: VNC segfaults and RDP plugin memory leak.
Merge pull request #293 from amon-sha/fix_gtk2_compatibility

Fix GTK2 compatibility
Redirect users to the wiki and the ML
Update README
Merge pull request #333 from giox069/gtk3

Fix compilation issues with latest FreeRDP
Merge pull request #334 from giox069/gtk3

Make 8bpp and 32bpp working again. Fixes #329
Merge pull request #336 from giox069/gtk3

Added more translations from launchpad, fixes #216
Merge branch 'master' of github.com:antenore/Remmina into gtk3
Merge branch 'master' of github.com:antenore/Remmina into gtk3
Merge branch 'master' of github.com:antenore/Remmina into gtk3
rfx_context_new does not take any parameter
Drop LIBVNCSERVER_WITH_CLIENT_TLS ifdef's

Now that libvncserver is no longer part of Remmina, the ifdef
is never taken into account. Removing it to enable GNUTLS support.
Add shebangs to external tool scripts
Merge branch 'dktrkranz-gtk3' into gtk3
Undo of 07bb6f3d5ce48144dff239503bbc3c9f6da87229
FreeRDP 1.1 compatibility
Update CMakeLists.txt
Merge branch 'master' into frdp-1.1

Conflicts:
	README
Merge branch 'frdp-1.1'
Changed version number