Improved usage of composer an phpunit.

Revert some changes.
Update README.md
Update README.md
Update README.md
Update README.md
Update README
Update README
Merge pull request #5 from blaugueux/master

Improved usage of composer and travis.
Update README
Add PHP 5.6
Check size out of bounds in Map Point
Add tests for RagColumnAndNumbers
Fix typo in LineChartTest
Update README.md with LineChart ingo
Update badges
Update README.md
Doc for Geck-o-Meter widget
Doc for Geck-o-Meter widget
Add multiple push capabilites
Add Client Test