Doodle - a simple diagramming tool

Build instructions:

1. Create an options file:
        cp options.template options

2. Customise options file for your local environment:
    eg:
        -O
        -I<path-to-gtkd-includes>

2. Configure the project:
        rdmd configure.d <full-path-to-build-dir>
    eg:
        rdmd configure.d ${PWD}/../build

3. Build doodle:
        cd ../build
        ./build

4. Launch doodle:
        ./bin/doodle