WIP: make sti build run in isolated mode
WIP: make incremental sti build function properly in isolated mode
WIP: sti build with non-root user
Changes to the base Dockerfile

- Upgrade EAP to 6.2.2
- Make sure the database modules are installed in correct place
- Proper mysql module descriptor
- Added mongodb descriptor
- Added jars for mysql and mongodb connectors
Cosmetic tweaks to scripts
Merge pull request #8 from pmorie/isolated

Make sti build work with isolated mode