Add Minerals Exploration and Petroleum Exploration data

[AnaBelgun]

Add:

• [x] minerals explorations - http://stat.data.abs.gov.au/sdmx-json/dataflow/MINING_EXPLORATION

• [x] petroleum exploration - http://stat.data.abs.gov.au/sdmx-json/dataflow/PETROLEUM_EXPLORATION

• [x] Water Use on Australian Farms

[steve9164]

Added