Merge pull request #12 from embaldridge/master

Null values table caption
added a few tools to metadata section
updated metadata section
Removing stray .Rhistory file added in af7bf11606c501ab318999483752537401ed4531
Merge pull request #13 from ethanwhite/removeRhist

Removing stray .Rhistory file added in af7bf11606c501ab318
Removing notes on themes and author section
Move to one sentence per line structure to facilitate diffing edits
Merge pull request #14 from ethanwhite/prerevisioncleanup

Pre-revision cleanup
Edits on the Introduction including more emphasis on benefits to data collector
Extensive edits to Share Your Data.
Starting bibtex references file
Edits to the Metadata section
Edits to the Raw Data section
Edits to Null Values section
Edits to the Combining With Other Datasets section
Edits to the Quality Control section
Adding references from the Quality Control section
Merge pull request #23 from ethanwhite/section6edits

Edits to Null Values section
Merge pull request #17 from ethanwhite/introedits

Edits to the Introduction
Removing old references from section 8