Merge pull request #3 from IsabellaP/develop

Develop
Update settings.py
removed database options
bugfix in netdcf module
bugfix
bugfix
added function to write temporal netCDF files
added temporal resolution
bugfix
added temporal resolution attribute
added function to check current dekad of a date
bugfix
bugfix
Merge remote-tracking branch 'upstream/develop' into develop

Conflicts:
	poets/image/netcdf.py