Move teuthology-schedule's arg parsing to scripts/

Signed-off-by: Zack Cerza <zack.cerza@inktank.com>
Move teuthology-updatekeys' arg parsing to scripts/

Signed-off-by: Zack Cerza <zack.cerza@inktank.com>
Move teuthology-report's arg parsing to scripts/

Signed-off-by: Zack Cerza <zack.cerza@inktank.com>
PEP-8

Signed-off-by: Zack Cerza <zack.cerza@inktank.com>
Move teuthology-results' arg parsing to scripts/

Signed-off-by: Zack Cerza <zack.cerza@inktank.com>
PEP-8
Move teuthology-coverage's arg parsing to scripts/

Signed-off-by: Zack Cerza <zack.cerza@inktank.com>
PEP-8
PEP-8