Changed file default permissions
Updates spherical mercator projection from SRID epsg:900913 to epsg:3857
Update modelling scripts to work locally on a Nectar VM.
Fixes bug in calculating the lat/lng range (was subtracting west from east, rather than east from west)
Merge branch 'Edgar_On_Rails' of https://github.com/jcu-eresearch/Edgar into Edgar_On_Rails