fixed typo in namespace declaration in turtle for webpages
replaced one of two periods in turtle for array with semicolon
replaced colon with semicolon in turtle for instruments
ditto for turtle for platforms
removed whitespace at end of a couple lines in turtle for instrument instances
added extra space before the period in a prov:Entity . in turtle for lexicons, to be consistent with others
Merge remote branch 'usgcrp/master'
added whitespace in contributors for turtle for activities
removed whitespace following id in turtle for person
removed some whitepace at some ends of lines in prov.ttl.tut