relax SVN archive

Optimising the width of the statusbar.

Added a newline character after printing the script.

Fix for GUI prompt bug, where ansi escape characters should not be printed when interpreter is inhereted from wxPython.

Changin the Keyboard shortcut for Changing the working directory to Ctrl+W. Since Ctrl+C is often used for copying (from the terminal).

For the 4 autoanalysis methods, the default results directory is now the current working directory instead of the lauch directory.

gui/analyses/auto_model_free.py
gui/analyses/auto_noe.py
gui/analyses/auto_relax_disp.py
gui/analyses/auto_rx_base.py

Updating the self.system_cwd_path when a directory change is observed.

Letting the current working directory be printed in the statusbar in the bottom.

Letting the lib.system.cd function notify the observer, when chanding directory.

Modifying the userfunction system.cd() not to show the result to STDOUT.

Adding an observer for current working directory.