Added explicit to constructor in PointActuator.h
(to avoid potential wrong conversion of string to SpatialVec type)
Don't build Simbody examples.
Build on clang first.
Merge pull request #81 from opensim-org/travisDontBuildSimbodyExamples

In travis, don't build Simbody examples, and build clang first.
Replace OVERRIDE_11 with override.
Put back in the OVERRIDE_11 macro in Doxyfile.

[ci skip]
Merge pull request #94 from opensim-org/override

Replace OVERRIDE_11 with override.
Merge pull request #79 from opensim-org/fixed_PointActuator_explicit

Added explicit to constructor in PointActuator.h
Merge branch 'master' into ProbeOutputs