models coupled through multiapps are now running; they do weird things though
some cleanup in file namings: everything that belongs to coupling is now named with greek letters in the beginning
Merge branch 'master' into coupling
removed unused variables
using ActiveTensionODE material for coupling now. seems to work, looks funny, will wait for the complete run later.
parameter files for bar contracted by electric
parameter files for coupled electric mechanic simulation on a bar
Merge branch 'master', remote-tracking branch 'origin' into coupling
added experiment for inclusion of coupling from mechanics to cardio (displacements)
hackfixing segfault
Merge branch 'master' into coupling

Conflicts:
	src/ics/ElectrocardioIC.C
	src/kernels/ElectrocardioForcing.C
	testruns/C-Electrocardio2D.i
added anoterh TODO
added example on how to include references into doxygen
minor improvements to references in doxygen
some tuning of the Doxyfile - for example, we should also include the src dir...
added links for all remaining references
appropriate cleanup and additions in TODO.md
Merge branch 'master' into coupling
corrected typo in latex formula, minor adjustments in Doxyfile
minor beautyfication of doxygen html output