Add logic for return search result with appropriate data type
Add logic for retrieving feature for queried image
Fix color histogram extraction class
Add index builder for visual word
one mini commit for pull
Merge branch 'master' of https://github.com/imouto1994/CS3246-Assignment-1 into Index

Conflicts:
	.idea/libraries/Lib2.xml
	.idea/workspace.xml
	CS3246-Assignment1.iml
	src/FindIO/ColorHistogramExtraction.java
	src/FindIO/Common.java
	src/FindIO/VisualConceptExtraction.java