initialized random number generator for reproducible outcomes in the light of an assertion ASSERT(result->mean>0.9);
Merge pull request #859 from AlexBinder/master

init random number generator in evaluation_cross_validation_multiclass_mkl.cpp
Removed fibheap and arpack examples
Removed covertree example
Fix google mocking framework detection
Google unit testing and mocking framework has to be compiled
with the same compiler flags as the code you are testing.
Merge pull request #860 from vigsterkr/utest

Fix google mocking framework detection
fix miscelleaneous erros/warnings

- fix example compiler error
- fix doxygen warnings
- fix compiler flag
hopefully fix gmock/gtest detection