finished demo xml file
Clean, add interface methods

Added objects to scheduler, added methods to use them
Cleaned up redundant includes, moved them to header files.
working demo
fix looser exception
add iomanip
changed indenting
fix lab printing
fix lab indenting
Merge branch 'master' of https://github.com/forstermatth/2720-group

Conflicts:
	src/main.cc
	test/scheduler_testfixture.cc