[initpiernik] print the name of current executable in help message
[initpiernik] added example for the -n commandline option
Merge pull request #40 from gawrysz/helpmsg

Helpmsg
[compilers] updated configuration for phoenix
Merge branch 'master' of github.com:gawrysz/piernik
Merge pull request #41 from gawrysz/master

updated configuration for phoenix
[wt4] copied problem.par to problem.par.cylindrical (no changes)
[wt4] set up problem.par.cylindrical
[wt4] die in places that depends on geometry and geometry is not cartesian
[gravity] each standard gravity potential should check for supported geometry, e.g. grav_null should not die in cylindrical coords
[gravity] implemented GEO_RPZ in grav_ptmass_stiff
[wt4] all processes will have complete IC data
[wt4] some doxy
[wt4] problem_initial_conditions should now work in cylindrical geometry
[wt4] BUGFIX resolved problem with duplicated registering of some fields
[wt4] cylindrical geometry support for divine_intervention_type=3
[gravity] Only master should warn
[wt4] Prevent reading IC file when starting from a festart file
[wt4] adjusted .par for cylindrical configuration
[wt4] cosmetics