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
minor fix: add POSTLINKFLAGS in linking gtest
Merge branch 'master' of github.com:iglesias/shogun

Conflicts:
	tests/unit/Makefile
Merge pull request #867 from iglesias/master

minor fix: add POSTLINKFLAGS in linking gtest
Fix unit tests for SGVector::max_abs and MOCASSVM
there was a bug when calculating max_abs in an SGVector
and MulticlassOCAS has been set to use only 1 thread