Add javadocs
Merge branch 'master' of https://github.com/azatris/cs4218

# By dwalky
# Via dwalky
* 'master' of https://github.com/azatris/cs4218:
  Added test class
  Change a error added a testfile
  I think this work
  so organizing of the code
Merge branch 'master' of https://github.com/azatris/cs4218

# By dwalky (2) and Mingxia Liu (1)
# Via Mingxia Liu (2) and dwalky (1)
* 'master' of https://github.com/azatris/cs4218:
  forgot to add the string in the config.properties
  added the propertiesfile
  Error Checking