added images folder
added bad abstract
added introduction
added table of contents
previous work
merged Alex changes
added paragraphs in introduction
moved auxilary comments to the end of the document
updated 1.2, 3, 4, 5 and 8
added problem description
Merge pull request #2 from shortOS3/Alex

updated 1.2, 3, 4, 5 and 8
merged with interim
ended first chapter
fixed spelling
rephrasing the crawling section
Merge pull request #3 from shortOS3/Nick

Nick
Merge pull request #5 from shortOS3/Nick

Nick
added google crawler subsection
fixes
corrections