fixed a bug where FBADialog popped up in non-FBA analysis

removed redundant options
made some changes to the SPOT algorithm

included the 'shortcut' SPOT

MOST detects which version of SPOT to use automatically
MOST aborts more properly when geneExpr is not selected for SPOT or E-flux2
SPOT value outputted after optimization

removed some redundant code
removed redundant inheritance
analysis menu item re-enabled on MOST startup
Minor changes