Added NCL script to plot SST
Fixed merge conflict on ncl sst script
Merge branch 'development'

Conflicts:
	ncl/wrf_sst.ncl
Added dewpoint temperature to time series
Fixed bug with gm_sleep
Merged minor changes and bug fixes
Merge branch 'development'

Conflicts:
	wrftools.py
Updated plots to use different countour colurs by domain
Modified time-series output to write valid json
Merge branch 'development'
masked Bulk Richardson values where division by zero would have occured
updated dimensions of time-series files to be (location, height, time)
minor fixes and cleanup
write json files direclty from netcdf without going via text files
minor fixes and cleanup
improved json writing
minor fixes and cleanup