Revert "Fix from_mark arg error in Cluster.start method"

This reverts commit 98f5d65e16cebd333bd6911a8417ee2d67b899bd.
Avoid blocking when starting nodes
Fix startup not waiting for the log file to be created
Try fixing marking
Semi-randomly cut current version as 1.1
Don't run decommission twice
Merge pull request #93 from thobbs/fix-double-decom

Don't run decommission twice
Merge remote-tracking branch 'pcmanus/master' into add-replace-address-support

Conflicts:
	ccmlib/node.py