Apply cache on skill-query
Bring the ES index name to properties files and fix top 3 skill filter
Merge branch 'master' of https://github.com/khoa-nd/TechLooper

Conflicts:
	src/main/java/com/techlooper/service/impl/JobQueryBuilderImpl.java
Merge pull request #88 from phuonghuynh/master

Fix urgent issues in page skills analytics