* moved 'ValueKind' model from 'recommend/models' to 'indicator/models'
* added field 'type' for 'indicator.models.Indicator'
* added field 'kind' for 'indicator.models.IndicatorRecord',
  'InnateConfine'
* updated methods for models 'Indicator', 'IndicatorRecord',
  'InnateConfine'
* updated views and templates for 'apps/indicator'
* added 'INDICATOR_RECOMMEND_PERIOD' into 'settings.py'
* added 'type' field for 'indicator.models.Indicator' in
  'search_indexes.py'
* added a confirm step for 'EditHistoryData' page when delete a record

* removed dir 'backupdata'; 'queries.txt' moved to 'backup' dir
* moved *.json to 'backup' dir
* removed 'apps/managers*.py'
* updated 'indicator/popup/IndexDesc.html'
* created dir 'apps/indicator/obsolete';
* moved 'indicator/forms.py' to dir 'obsolete';
* splitted views related forms.py from 'views.py', and placed in
  'obsolete/views_forms.py'

* loadded newest data into database
* cleaned pervious data files in 'backup' dir
* updated 'README.txt'; added a solution to a redis problem

* added field 'type' of 'indicator.models.Indicator';
  for filtering search results and only returning 'NORMAL_TYPE'

  improved the display position of 'detail_card_info'
* indicator/templates/indicator/SheetDefault.html:
  destroy 'qtip' when close card

* added new app 'apps/sfaccount'
* implemented 'signup' and 'activate' functions
* implemented async sending activation mail
  (using 'django-celery' and 'redis')
* moved 'registration/*' templates to 'sfaccount/templates'

* implemented 'password_change' function:
  o password_change
  o password_change_done
* implemented 'password_reset' function
  o password_reset
  o password_reset_done
  o password_reset_confirm
  o password_reset_complete
  o re-write 'sfaccount.fomrs.SFPasswordResetForm'
  o re-write 'sfaccount.views.password_reset_view'
* improved 'sfaccount.functional' send mail functions
  o to send 'multipart' mail

* added 'README.txt'

* added app 'apps/recommend':
  for comparing with the SCI papers and then recommending
  most related papers for user.