Roadmap

Define a roadmap for core developers.
The goal is to release often, release early OpenAleaLab.

To do that, we define components. For each components, a number of
tasks are defined with priorities. Finally, issues are created, review
and discussed.
Update roadmap
Update RoadMap
Update Makefile & Roadmap
update doc of the project
Restrucure developer documentation
Add autogenerated API
Add PanedMenu documentation
Update roadmap and toctrees
Improve documentation about plugins
add 'known issues' part in install page, add application doc
Improve plugin doc
Identification of potential issues in code
Update roadmap with progress
add abstract of how to create plugin
add informations in 'Known issues'
test plugins independently
add execution management page
first code review of model and world
Update ROADMAP