Format options for hostname segment.
Consistent comment format.
Spell fixes.
Fixed hostname options for OSX
Possible workaround for a problem in issue #15
Added new weather condition.
Updated README
Error check for weather data provider and removage of bash4 feature.
Merge pull request #118 from daviddavis/master

Updated README
Updated README.md#hacing. #103
Small readme fixes.
Simplified README.
Short comment about the theme format for the array.
Updated segment requirements with correct names.