Adding a column to hold the relevance of hotspots
Remove the "./src" added by HPCToolkit to files

This is dangerous because other programs/libraries may also have this
prefix, not added by HPCToolkit. However, this policy works together
with other policies to find files which may or may not be
instrumented/optimized.
Write bak to the DB the relevance of hotspots

Sometimes we use the word “importance” to describe relevance and
vice-versa…
Show the phase name instead of the phase number
Passing the right option name to compiler modules
Bug fix: phase names are strings no integers...
Adding perfexpert_list_get_last() to lists header
Adding two new functions to file utilities header

perfexpert_util_file_is_readable() and
perfexpert_util_file_is_writable().
Adding a simple (yet) file backup header/utility
Initializing backup, normalizing names (cycle) ...

instead of step (step actually means the different steps in the
workflow while cycles are the different iteration of the workflow).
Merge branch 'master' of https://github.com/TACC/perfexpert