web interface - minor changes / improvements
* standalone component for connecting to cluster instead of form directly on page
* deleting packages
* code reformat, optimize imports

#92
Merge remote-tracking branch 'origin/master'
Proper task context clean up
   * cluster locks are used to ensure TaskContextEntry consistency

closes #95
Merge remote-tracking branch 'origin/master'
web interface - minor changes / improvements
* package download
* alert messages

#92
Merge remote-tracking branch 'origin/master'
ClusterContext clean-up
   * removed *Utils from method names
Merge remote-tracking branch 'origin/master'
Formatter
   * line split increased to 120
web interface - minor changes / improvements
* task submit base implementation
* fixed tab menu tab highlighting
* minor refactoring

#92
Web Interface
* Font Awesome
Monitoring
* cpu usage
Web Interface
* live feed service
* dashboard basic implementation: runtimes, tasks
Host Runtime termination bug fix
   * prevents re-insertion of host runtime info while shutting down by terminating the monitoring thread

relates #95
Merge remote-tracking branch 'origin/master'
Monitoring thread termination fix
   * when stopping the monitoring thread must be interrupted after setting the stop flag
    * the stop flag (monitoringRunning) is now volatile to disable compiler optimization

relates #99
Host Runtime
   * changes the way Host Runtime (and its corresponding RuntimeInfo) counts its tasks
   * the count is now of accepted not of running tasks
   * the count is decreased once a task terminates

   relates to #78
Web Interface
* move Index.java to Overview.java
* correct 404, redirect / to /overview

#92
Web Interface
* Bootstrap, Flot, Sugar, Glyphicons

#92
Web Interface, Been API
* log listeners

#92