* Reduce number of #includes, sometimes drastically (LiveRangeInfo.h lost _7_)
* Move instrIsFeasible() from InstrScheduling.h to SchedPriorities.h
* Delete blank lines at end of files
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1672 91177308-0d34-0410-b5e6-96231b3b80d8