c++: print ValidationException in test
c++: also catch cmdcallbacktest VEs
fixture.cpp: set LDAP on group
c++: fix mapannotation.cpp test
matlab: fix training setEmissionWave
c++: set more ldap flags
Increase timing delay for callback

The delay time (2ms) was too short for the callback to be
effectively passed to the server in order to receive any
of the steps. This will slightly increase the jobs, but
should significantly reduce the number of false negatives.
Merge pull request #3206 from joshmoore/cpp-green

c++ green!