Added the hurricane Katrina example.
Review action on huricane example.
Updated colour scheme on Hurricane example.
Merge pull request #182 from pelson/hurricane_example

Added the hurricane Katrina example.
Ignored all .DS_Store (OSX folder settings) files.
Merge pull request #205 from pelson/ds_store

Ignored all .DS_Store (OSX folder settings) files.
Merge remote-tracking branch 'upstream/v0.5.x'
Changed author & contact email.
Moved master up to v0.7.x
1D & nD points transformation