Patch by Dan Liew which unifies the solver construction between KLEE
and Kleaver and fixes --use-query-log in Kleaver.



git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@176811 91177308-0d34-0410-b5e6-96231b3b80d8
Forgot to add ConstructSolverChain.cpp in the previous patch.


git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@176813 91177308-0d34-0410-b5e6-96231b3b80d8
Updated svn:ignore


git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@176814 91177308-0d34-0410-b5e6-96231b3b80d8