Doodle - a simple diagramming tool

Build instructions:

1. Add any comiler directives you need to the options file.
    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