Change the maximum of disk status check timeout for select function
(cherry picked from https://github.com/linux-ha-japan/pm_diskd-1.0/commit/b139d20e0b)
Correspond to change of pacemaker-1.1
This is correction for corresponding to following commit.
https://github.com/ClusterLabs/pacemaker/commit/488d82fedd
Convert DOS newlines to UNIX format
Removes mixture of tabs and spaces
Clean the output of usage