added some text under headings that had no text underneath them. let the awesome commit messages continue...
added some equations
added footnote, keywords, some missing references, moved euclidean clustering from future work to present work, added extra 3d surface recon technique to future work. Still unfinished, needs results section with some pictures.
figures added
added appendix with figures, results section, a bit on triangulation
Merge pull request #10 from debajyoti7/master

draft 2