edits to intro

attempt to reduce repetition
Add section 2 references to bib file. Does not include websites.
Cleanup redundant treatment of what to do with spaces in names
Adding acknowledgements
revised 2nd and 3rd sentences of Section 8 -KL
gave the paper a good once-over

*eliminate passive voice where possible
*fix typos
*fix grammar and punctuation errors
*rewords a few areas I felt might be awkward