Add CoinMP external as an alternative to lpsolve.

Change-Id: I9bf5c339a34655c3b842cef3af76814a14c483bc
Rename sccomp/source/solver/solver.cxx to solver-lpsolve.cxx

Change-Id: I5034cdcbf08d68b2ed0fc9d16ee2635ba30a731b
118160: Use CoinMP as replacement for lp_solve.

Original author: Niklas Nebel

(cherry picked from commit 6d492447a37ec268fb5924e7fc5631c29c67325d)

Conflicts:
	sccomp/source/solver/makefile.mk
	sccomp/source/solver/solver.cxx

Change-Id: I84f9acb13a65cdfc9d173434ef630cbeb635db05
fdo#60924: Autoinstall lpsolve package.

Change-Id: I1404cfc08cd03cff000b088a305e47c96df0b986
Allow to build lpsolver based on CoinMP library.

Change-Id: I0a3b2bd6744f6ccca0017cd1e06a4018f085445a