New interface TkRegister2
Adding positional information to ApplyWarp interface
Fix bbregister init-reg argument
add to init and changes, rename some arguments and add descriptions, add
example
create automatic test
Remove position from --warp argument, not necessary
run make specs
modify example to pass test
remove redundant subjects directory input
remove subjects dir from example too
run make specs
update make specs
Merge pull request #912 from juhuntenburg/enh/tkregister2

Enh/tkregister2
Merge pull request #914 from juhuntenburg/fix/bbregister

Fix/bbregister
modify manual test to pass with new ordering
Merge pull request #913 from juhuntenburg/fix/applywarp

Fix/applywarp
Merge branch 'master' into enh/NewEPIArtifactCorrections

Conflicts:
	CHANGES
Merge branch 'enh/NewEPIArtifactCorrections' into experimental