Update glance options for icehouse with latest autohelp

Change-Id: I29e35a16a0b8871dc063627cfc9358740125fab0
cleaned up training docs module001-ch009-vm-placement

changed the term hostin to host in
changed firstly to first
added "a" between makes and dictionary
changed it's to its
added space to weightsduring
changed some to same

Change-Id: I3402950c5207deb8387e2474c43840f4d93ba6ad
cleaned up module001-ch011-block-storage

changed it to is (typo)

Change-Id: I6d509e83567857cae08dcbd8665d783b63b4264a
Merge "cleaned up training docs module001-ch009-vm-placement"
Merge "cleaned up module001-ch011-block-storage"
Merge "Update glance options for icehouse with latest autohelp"