optimize filter implementaion to show more accurate results
ignore case_sensitive and some tiny changes
small updates to crawler
store & search not completed
store & search
Merge branch 'master' of https://github.com/rushimg/ec504_fp_group7.git
store & search update
Added HTML object, getting links and title
simple crawler & tests done

Crawls single page and returns links, url, title and html
added metadata to gitignore
added check links method
Added uniqueness queue to hold urls; implimented recursive search
added method to return just text(no html) using HTMLDocument class
implement encode and decode by GZIP, efficiency of huffman is very low. compression rate is about 25%
Merge branch 'master' of https://github.com/rushimg/ec504_fp_group7
Improved update Node and AddLink in graph.java