Absorb yin and mcleod (#54)

* Absorb yin and mcleod as docs
* Use lgtest_main

Author: sevagh

.gitattributes

@@ -0,0 +1,3 @@
+*.png filter=lfs diff=lfs merge=lfs -text
+*.txt filter=lfs diff=lfs merge=lfs -text
+misc/* linguist-documentation

Makefile

@@ -12,7 +12,7 @@ util: directories
 	$(CXX) $(CXX_FLAGS) -shared -o lib/util.so util/*.cpp
 
 test: build util
-	$(CXX) $@/*.cpp -o bin/$@ $(TEST_FLAGS) -lgtest
+	$(CXX) $@/*.cpp -o bin/$@ $(TEST_FLAGS) -lgtest -lgtest_main
 
 bench: build util
 	$(CXX) $@/*.cpp -o bin/$@ $(TEST_FLAGS) -lbenchmark

README.md

@@ -2,12 +2,10 @@
 
 A collection of autocorrelation-based C++ pitch detection algorithms with **O(nlogn)** running time.
 
-* [McLeod Pitch Method](http://miracle.otago.ac.nz/tartini/papers/A_Smarter_Way_to_Find_Pitch.pdf)
-* [YIN](http://audition.ens.fr/adc/pdf/2002_JASA_YIN.pdf)
+* McLeod pitch method - [paper](http://miracle.otago.ac.nz/tartini/papers/A_Smarter_Way_to_Find_Pitch.pdf) - [visualization](./misc/mcleod)
+* YIN - [paper](http://audition.ens.fr/adc/pdf/2002_JASA_YIN.pdf) - [visualization](./misc/yin)
 * Autocorrelation
 
-Visualizations of these methods can be viewed at https://gitlab.com/sevagh/mcleod https://gitlab.com/sevagh/yin
-
 ### Build and install
 
 Using this project should be as easy as `make && sudo make install` on Linux with a modern GCC - I don't officially support other platforms.