Make the netCDF download slideout date range boxes set the slider on change.

Fixed styling on the graph slide out
Made map icons small + fixed big with graph slideout close button
Fixed bug with map zoom buttons
added netcdf explanation text and moved the about button
Merge branch 'dev' of https://github.com/pmlrsg/GISportal into dev
Added Auto Scale option
Added terms and condictions popup
Added the homepage slider
Fixed a CSS bug and graph bug
Fixed anissue hwere auto scale would nto disable
Forgot to save updates to the exaample config
Merge pull request #14 from pmlrsg/dev

Added lots to the spalsh screen and fixed ie bugs