Docker enhancement

• Increase docker performance, addressed to #19
• Resolve potential user permission issue related to docker volumes
• Specify log configuration into htaccess
• New release 0.2.2 to trigger docker-cloud build hook.

deployAgent in Container As Service

• Create docker container with deployAgent embeded
• use tar command on non-windows systems, because PharData doesn't keep symlinks when extracting the package.
• Enable Docker-Cloud Autobuild

bugfix app symlink

Change application target symlink to relative link instead absolute.
it was an issue when deploy was under Jail ( Chroot ) like Docker.

bugfix in error handling

Merge pull request #11 from continuousphp/bugfix

bugfix in error handling