Will use boost::program_options for commandline options
rudimentary options
removed unused stuff
added options_description for visible and hidden options
modified header and usage message
added parameter for appName
use function for printing help message
changed usage message to be nicer
read inputfileS
added exception handling for whole main function
don't print header automatically in help msg
only one inputfile till implementation of reading more than one
print header separately from help msg
beautified error msgs
removed old stuff
Merge branch 'master' into prog_opts

Conflicts:
	Makefile
	source/molconv.cpp
need boost libs
use boost::filesystem to prove file existance
added own exceptions
use own exceptions