relax SVN archive

The text on the buttons in the analysis windows can now be specified in add_text_sel_element().

Indentation bug fix.

The data pipe is now created when a new NOE analysis page is created.

This will be used in the spin editor.

Replaced the sequence file, PDB file, and unresolved spin GUI elements in the NOE page with a spin editor.

Fix for the assemble_data() Rx analysis page method for when no data is present.

Fix for the Analysis_controller.current_analysis_name() method - the name and not page is now returned.

Fix for the R1 analysis GUI test - the peak list paths were missing the extensions.

Fix for the filename variable in the Rx analyses GUI pages.

The execution lock is only unlocked if it was locked in the first place.

The exception printing now occurs in the GUI thread level.