add ASSERT_EQUALS function in unit_test.h
use ASSERT_EQUAL where possible
add ASSERT_LESS, ASSERT_GREATER and ASSERT_BINOP
use new ASSERTs where possible
move test into include and src
Merge branch 'unit-test' into develop
Merge branch 'develop' into analyzers

Conflicts:
	src/test/tokenizer_test.cpp
	test/analyzer_test.h
	test/tokenizer_test.h
	unit-test.cpp