Quotes around URL passed to fetch_cmd

Cities with spaces/special characters would cause breakage
Show wind speed
round up temperature
automatic location detection added for even more awesomeness
Add Fog icon
When given, take location from the first command-line arg

So that:

    ./ansiweather

Will use the ~/.ansiweatherrc location, but:

    ./ansiweather Rome

will instead tell you the weather in Rome.
Add antigen compatable plugin description
resolve #20
Merge pull request #5 from michaelhood/master

Add support for spaces and special characters in location (Fixes #4, Closes #7, closes #13, closes #18, closes #19)
Merge pull request #10 from andreineculau/patch-1

round up temperature
Merge pull request #22 from matthewfranglen/master

Add antigen compatible plugin description for ZSH
Merge pull request #21 from mfontani/location-as-parameter

When given, take location from the first command-line arg (Closes #15)
Merge pull request #6 from tangphillip/master

Show the wind speed in the output
When given, take units from the second command-line argument
Rounding up pression
Converting pressure to inches of mercury when using imperial units (Thanks nemo)
Merge pull request #17 from sriedel/fog_icon

Add Fog icon
corrected project name in AUTHORS file
Merge pull request #29 from bszcz/master

corrected project name in AUTHORS file
Merge pull request #23 from sesm/master

Give a meaningfull error message if jq is not found