Provide a default keystrokes.cfg in /etc/nx (for nxagent) and /etc/x2go (for x2goagent). (Fixes: #199).

Drop patch 032, fix other patches so that installation via make install installs NX components to /usr/local/lib/nx and /usr/local/include/nx.

  - 005_add-nxagent-wrapper.patch.
  - 008_add-nxproxy-wrapper.patch.
  - 011_add-nxauth-wrapper.patch.

  - 101_nxagent_set-rgb-path.patch
  - 102_xserver-xext_set-securitypolicy-path.patch
  - 103_nxagent_set-X0-config-path.patch
  - 104_nxagent_enable_debug.patch
  - 105_nxagent_export-remote-keyboard-config.patch
  - 106_nxagent_utf8-copy-clipboard.patch
  - 107_nxagent_clipboard-compound-text+small-bed-sheets.patch
  - 108_nxagent_wine-close-delay.patch
  - 109_nxagent_locale-utf8-compound-text.patch
  - 200_nxagent_unbrand-agent.patch