Fix -DNDEBUG -DOM_DEBUG as a flag
Exclude 'Short/parallel_s.tst' from testing by default due to leftover Singular instaces...
For profiling: use google proftools (optionally)
Misc changes to BS and others

fix: GMP-checking will looks at CPATH
add: remarks due to C. Fieker
Dynamic modules should be built before the main Singular module (for the case of static building)
Fixed and improved BS