Adding functionality to calculate linear distance from a latitute/longitud point
Fixing a missing credit
Fixing issues from pull request
Fixing wrong evaluation of max/min lat/long
Fixing error message for lat/long evaluation
Merge pull request #602 from antgonza/lat_long_distance

Adding functionality to calculate linear distance from Latitude/Longitude point
Merge branch 'map_reads_to_reference' of github.com:adamrp/qiime into map_reads_to_reference
modified NCBI web reference

URL is now more descriptive