Init..
Add nozbe/next_action
Add Project/Context source (still moc)
Create caller of Nozbe API

Fix whitespace
Add some functions
Create autoload/nozbe.vim
Split call_api and bug fix about encoding
Merge branch 'autoload' into develop
Succeed to obtain Projects from webapp
Small fix
Implement nozbe#next_actions
Implement next actions source
Small fix
Merge branch 'next_action' into develop
Add contexts sub-source
Merge branch 'develop'