refining layout in source tabs
layout: now one row with settings on the top
adding a tab for finite sources
adding ZRT components
closest phase name is written to the tooltip
adding a basic class to handle finite sources (iterable, indexable)

moving srf related stuff to source.py
adding test for srf reader
adding a test for resampling
adding convenience functions to get information about the finite source
adding function to compute scalar moment
adding __str__ to finite source
adding tabs to __str__
adding basic finite source functionality to GUI
pep8
removing function overloading to allow compilation with gfortran-4.4
Initial benchmark version
Added src location scatter benchmark.
Smaller scatter benchmark added.
Added more benchmarks.
Putting benchmarks in proper file...