dotadevkit 1.3.0

Add support for DOTA 2.0 classes - airport & helipad

dotadevkit 1.2.0

Fully replicates all functions in the original DOTA Devkit

• Supports converting tiled DOTA annotations to MS-COCO format.
• Supports visualising tiled DOTA annotations.

Releases will be the death of me!

Patch for merge function

Incorrect import caused issues in ResultMerge.py

dotadevkit 1.0.1

Update repo URL and README.md.