Updated wowza class; added params, config files;
Updated init script
Updated install script
Added configuration file: admin.password
Renamed all occurrences WowzaMediaServer with WowzaStreamingEngine
Updated spec
Changed permissions, unless condition
Added some JAVA_OPTS
Removed services stop in install script
Merge pull request #583 from kris-lab/issue-583

Upgrade wowza module to WowzaStreamEngine