Add a runtime option for controlling frame skipping
Don't execute mktargets.py if cannot cd into correct directory
Removed unused headers in test/
Merge pull request #169 from varunbpatil/mktargets_sh

Don't execute mktargets.py if cannot cd into correct directory
Merge pull request #170 from varunbpatil/unused_headers

Removed unused headers in test/
Merge pull request #159 from mstorsjo/frameskip-option

Add a runtime option for controlling frame skipping