CYB-243, deploy script needs validations and Thor task
CYB-245 Remove students controller

 * unused code, cleanup
 * intended functionality now found elsewhere
 * removes students controller and its spec

https://jira.ets.berkeley.edu/jira/browse/CYB-245
CYB-246 Being liked should also score for the poster
  * adds a field on the activity model for the poster when type is an opinion
  * Activity.student_scores now sums values for poster on likes as well as for active actions
  * removing #index on likes_controller (unused)
  * requires a migration

https://jira.ets.berkeley.edu/jira/browse/CYB-246
[nojira] Remove activities controller (code cruft)
 * no actions on activities are done through its own controller, all happens
   in the model or other controllers
Merge pull request #140 from coyote/remove_student_controller

CYB-245 Remove students controller
CYB-243, deploy script fails if marker file cannot be created
Merge pull request #138 from johncrossman/CYB-243

CYB-243, deploy script needs validations and Thor task.  One Travis is green.
Merge pull request #142 from coyote/score_being_liked

CYB-246 Being liked should also score for the poster
Merge pull request #143 from coyote/remove_activies_controller

[nojira] Remove activities controller (code cruft)
Revert "CYB-245 Remove students controller"
Merge pull request #144 from ets-berkeley-edu/revert-140-remove_student_controller

Revert "CYB-245 Remove students controller"
CYB-247, git 1.7.1 does not support rev-list --count so we use wc -l
Merge pull request #145 from johncrossman/CYB-247

CYB-247, git 1.7.1 does not support rev-list --count so we use wc -l
CYB-251 "Likes" not being scored

 * previous implementation depended on the record being created already existing
 * gets the poster's canvas ID from the Attachment or MediaUrl model instead.
 * in the spec, the after_create will overwrite the specified gallery_id so an update
    is done on that attribute
Merge pull request #146 from coyote/credit_being_liked

CYB-251 "Likes" not being scored
[nojira] benign commit to test deploy.
CYB-251.   Include value of 'score' flag when creating a Like/Dislike
  PointsConfiguraiton can turn off scoring of different types, and this
  flag was not being included, so no likes or dislikes were scored.
Merge pull request #148 from coyote/honor_active_flag_for_likes

CYB-251.   Include value of 'score' flag when creating a Like/Dislike
CYB-257 - Comments: lines don't wrap in Firefox

https://jira.ets.berkeley.edu/jira/browse/CYB-257
Merge pull request #149 from christianv/CYB-257

CYB-257 - Comments: lines don't wrap in Firefox