updated to allow optional and conditional building of tests
updated flags for ubunutu
Merge pull request #288 from makeclean/fix_tests

Fix tests
updated test names
Merge pull request #289 from makeclean/rename_g4_tests

Rename g4 tests
removed dagsolid from main dagiface lib
builds DagSolid as seprate lib
updated tests for new library name
Merge pull request #290 from makeclean/remove_dagsolid

Remove dagsolid