GDAL.jl

Fixed

• Now runs without deprecation warnings on julia 0.7 & 1.0

Changed

• Minimum supported julia version is now 0.7

Fixed

• GDAL_DATA is now set correctly for ArchGDAL

Changed

• GDALVERSION and GDAL_DATA are now Ref, use GDALVERSION[] to access the value

Integrate build files of dependencies

We won't REQUIRE them anymore. This is for now the recommended way to deal with BinaryProvider dependencies.

First release