refs #1 Merge remote-tracking branch 'upstream/dev' into dev

* upstream/dev: (70 commits)
  Switching README.md with README.txt
  refs #103 Add new tagged SMILE Teacher app 0.9.9b1 (for JAMsj)
  refs #26, #102 Remove some extra debug
  refs #40, #26 Fix the empty username validation on login.
  refs #98, #26 Add SessionID to Question submitted by a client if we don't already have a Question SessionID.
  refs #19 Drop questions handling on server side was incorrectly using SessionID.  This caused the deletion to fail.  Make sure also to handle the case where the index === 0.   This isn't ok to say (!idx), be more careful.
  refs #19,#26 Make sure deletion on server touches questions.currentQuestions as well as game.messages.past [] .  This is needed to fix the issue 60 on the teacher app.
  refs #26,#94 Add correct version numbers in README to match release.
  refs #93, #26 Bump node package.json to 10.0.0, add more functional version of teacher APK v 0.9.6.
  refs #91 add 0.9.6 teacher app to the splash page.  Clean out the old versions.
  refs #26,#91 Add new APK for Teacher, version 0.9.6.  Wow, version bump!
  Updating gitignore
  refs #26,#19 Ensure that the delete of question responds with a JSON response
  refs #26,#92 Add version for IQManager bump to 1.0.0prealpha1
  refs #26,#80 Add 1.0.0 bump to index.html and the smilestudent.js
  refs #26,#90 Add the proper removeAll to the students data and the session iqset data when we load a session.  otherwise we got dups.
  refs #26,#89 Add the proper removeAll to the students data and the session iqset data when we load a session.  otherwise we got dups.
  refs #26,#90 Make sure to drop the iqdata when we load a session in the IQManager.  Also remove the extra verbose logging in persistius.
  refs #26,#87 Don't forget to set the iqidx() when we doGetInquiry()
  refs #88,#26 use toFixed() instead of toPrecision() to get the right formatting of the student scores in the results.
  ...
refs #46 Merge remote-tracking branch 'upstream/dev' into dev

* upstream/dev:
  refs #103, #94 Forgot to update the index.html version string
  refs #103, #94 Bump version to 1.0.4
  refs #113 Add likes % calc in the IQManager Session Detail view.
  [#102] Removing useless console logging
  refs #103, #91 Add newest teacher app, and bump versions of SMILE server to 1.0.3
  refs #74, #101 Fix IQ PIC data save on session save.  Also fix missing submit buttons on new session (after a session has completed)
  refs #74 Add the necessary $data to fix undefined errors.  Brilliant! So if PICURL is undefined, don't crash!
  refs #74 Fix iqset modal view of pic data for question
  [#74] Removing button when no image on the question.
  [#74] Loading the picture in a modal with Zurb (part Session)
  [#74] Loading the picture in a modal with Zurb (part IQSet)
  [#74] Displaying directly the picture in the table
  refs #91, #103 Update text in index.html 1.0.2
  refs #91, #103 Bump version 1.0.2
  refs #91, #103 Add new version of SMILE Teacher 0.9.9b2-jamsj
  refs #103 Bump version to 1.0.2
  [#95] Removing opacity on IQManager
  [#101] Hiding submit buttons while posting the data
  [#74] Commenting the image button, to display directly the image
[#23 RTC]Retaking without being able to update status on node-smile-server.(need to update teacher app)
Merge pull request #47 from chrqls/dev

[sta#23] Retaking feature without being able to update status
Cleaning the console log
Merge pull request #48 from chrqls/dev

Cleaning the console log
[#42] Simplification of retake request
Merge pull request #49 from chrqls/dev

[#42] Simplification of retake request
[#42] Web student application redirected to 'StartMaking' when retaking but 'StartSolving' is not working correctly
Merge commit '024f2af' into dev
Merge pull request #50 from chrqls/dev

[#42] Merging and redirect students to StartMaking step but...
[#42] Retake scenario well managed on server and web app now
Merge commit '9a0fa2c' into dev
Merge pull request #51 from chrqls/dev

[#42] Retake scenario well managed on server and web app now
refs #52 Update versions listed in index.html
refs #52 Bump node smile server package to 1.0.5
[#42] Teacher can retake several times the same IQSet
Merge commit '57bc983' into dev
Merge pull request #53 from chrqls/dev

[#42] Teacher can retake several times the same IQSet
refs #52 Add apk, bump version to 1.0.6 for release, remove ol.d apks.,
bump smile student version