* 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'

  general tools for used in other apps
* moved 'templatetags' from 'apps/indicator' to 'apps/utils'
* '.gitignore' to ignore 'fixtures_bak'
* moved js plugins from 'apps/indicator/static/plugins' to
  'staticfiles/plugins'

apps/recommend:
* updated 'recommend.models';
    o commented 'recommend.models.ResearchCombination' (not used)
* implemented views 'add_edit_blog_info' and 'ajax_add_edit_configs';
* added pages 'templates/recommend/add_edit_blog_info.html',
    'add_edit_blog_info_error.html';
    o related css and javascripts files
* added 'tools.py';

* added 'utils/tools.py' for placing generic functions;
* deleted 'initial_data.json' (mv 'fixtures' to 'fixtures_bak');
* small fixes to 'indicator.models', 'sciblog.models' and
  'sfaccount.views'

* fixed automatically show 'proper_nouns' annotation in blog:
  recovered the line 'import signals' in 'sciblog.models'
* added 'is_ok()' method for 'recommend.models.ResearchConfig';