Small issues with the new scripts

• In bob measure det command's help message, --titles help is badly formatted:

  -ts, --titles TEXT              The titles of the plots seperated by commas.
                                  For example, if the figure has two plots,
                                  "MyTitleA,MyTitleB" is a possible
                                  inputProvide just a space (-t ) to remove
                                  the titles from figures.

where inputProvide just a space (-t ) to seems badly formatted.

• As pointed out by @andre.anjos, histograms are better (dev and eval histograms) if you show them under each other.

• (Fixed) in the fmr_iapmr plot, values are not in percentage but the labels say %