Commit #31

+ build #005

CmdJob:
  * updated info(JustJobsPlugin, CommandSender, String[])
Node:
  * updated toString()
JobsManager:
  * changed visibility modifier of JobsManager(JustJobsPlugin) to
private
  * updated JobsManager(JustJobsPlugin, File)
  * updated getJobs(String)
  * updated remove(String)
Job:
  + added spawnpoint
  + added file
  + added getFile()
  - removed manager
  * changed loadData()
  * changed getBaseSpawnPoint()
  * changed Job(String, JustJobsPlugin)