Merge pull request #55 from spark-jobserver/ha_jars

Added jar persistence to mysql
Updated JobSQLDAO test config file due to recent JAR persistence changes.
Merge pull request #58 from ooyala/ha_jars_test

Updated JobSQLDAO test config file due to recent JAR persistence changes...
Merge remote-tracking branch 'ooyala/master'
Persisted job context configuration.
Merge pull request #61 from spark-jobserver/ha_contexts

Persisted spark context configuration
Merge branch 'master' of github.com:spark-jobserver/spark-jobserver
Merge branch 'master' into chef-deploy
Removing email address from debian package maintainer
Add comment for packager
Go back to sbt version 0.13.5
1. improve /jobs request performance 2. add API for /jobs/<jobid>/status
Disable a test that only seems to work in spark 1.0.x
code update based on comment
Merge branch 'jobs-perf'
Merge pull request #66 from ooyala/chef-deploy

Chef deploy for job server
Changing package install dir from /home to /data
Changing lazy val to def for packageMappingsSettings
Merge pull request #72 from ooyala/lazy_val_to_def_dpkg

Changing lazy val to def for packageMappingsSettings
Added MariaDB config parser to proper connect to MariaDB backend for JobSqlDAO