Merge pull request #858 from karlnapf/master

Finally finished all mmd kernel selection methods
fix (harmless) error messages on make install

better avoid them to not confuse us users or devlopers :)
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
Removed shameful not stable mark from Local Alignment string kernel
fix argmax/max in sgvector

for float/double: isamax computes the argmax of abs(vector)
not the max! introduce new max_abs / arg_max_abs functions for that and
add tests for these too.
add -lpthread flag to build tests correctly
use expect_double_eq for double comparison
Preparations for GCOV code coverage tool usage

Ignored .gcno file extension
Updated Makefile to clean .gcno files
Dummy malsar routines doc
small fix in KLLE to avoid valgrind errors
+ Gaussian kernel width initialization in DiffusionMaps
* minor fix in NPE to avoid valgrind complains
Merge pull request #862 from iglesias/tapkee

[WIP] Small fixes in converters to avoid valgrind errors