Add yaml-cpp libraries to examples

Try to solve yaml-cpp linking errors by adding yaml-cpp libraries
explicitly to the examples.
Add wait in the test to prevent the assertion
Fix Mass/Stiffness matrix transformation on FemElement1D

The transformation of the local matrix to the global matrix was done backward.
m_R0 is the rotation that transform local coordinates into global coordinates. So the matrix transformation should be:
MGlobal = R0.MLocal.R0^T
Merge branch 'fix/linux-thread-test' into 'master'

Possible fix for the linux testfailure in basicthreadtest

+1: Walter Schoen, Ryan Beasley, haizhouW

Merged-on: https://www.assembla.com/code/OpenSurgSim/git/merge_requests/809433
Merge branch 'fix/yaml-examples' into 'master'

Add yaml-cpp libraries to examples

+1: Ryan Beasley, Harald Scheirich

Merged-on: https://www.assembla.com/code/OpenSurgSim/git/merge_requests/806713
Merge branch 'fix/bugInFem1D' into 'master'

Fix bug in FemElement1D matrices transformation

+1: Walter Schoen, gsathyaseelan, Harald Scheirich

Merged-on: https://www.assembla.com/code/OpenSurgSim/git/merge_requests/814613
Removed class qualifier for member function from header file.
Merge branch 'fix/linux-build-failure' into 'master'

Linux compile error fix: Removed class qualifier for member function from header file.

+1: Harald Scheirich

Merged-on: https://www.assembla.com/code/OpenSurgSim/git/merge_requests/819613