Remove unused parameter from rfb::Configuration::Configuration()


git-svn-id: https://tigervnc.svn.sourceforge.net/svnroot/tigervnc@5062 3789f03b-4d11-0410-bbf8-ca57d06f2519
Remove unused assignment operator declaration from rfb::Configuration


git-svn-id: https://tigervnc.svn.sourceforge.net/svnroot/tigervnc@5063 3789f03b-4d11-0410-bbf8-ca57d06f2519
Simplify rfb::ParameterIterator - we always iterate over all enabled params.


git-svn-id: https://tigervnc.svn.sourceforge.net/svnroot/tigervnc@5064 3789f03b-4d11-0410-bbf8-ca57d06f2519
Initialize VNC extension from libvnc.so only once.


git-svn-id: https://tigervnc.svn.sourceforge.net/svnroot/tigervnc@5065 3789f03b-4d11-0410-bbf8-ca57d06f2519