Add ability to query threads that are not associated with any group_id

.idea/cs_comments_service.iml

+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
+

.idea/encodings.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" useUTFGuessing="true" native2AsciiForPropertiesFiles="false" />
+</project>
+

.idea/inspectionProfiles/Project_Default.xml

+<component name="InspectionProjectProfileManager">
+  <profile version="1.0" is_locked="false">
+    <option name="myName" value="Project Default" />
+    <option name="myLocal" value="false" />
+    <inspection_tool class="PyPackageRequirementsInspection" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="ignoredPackages">
+        <value>
+          <list size="3">
+            <item index="0" class="java.lang.String" itemvalue="distribute" />
+            <item index="1" class="java.lang.String" itemvalue="lxml" />
+            <item index="2" class="java.lang.String" itemvalue="nosedjango" />
+          </list>
+        </value>
+      </option>
+    </inspection_tool>
+    <inspection_tool class="PyUnresolvedReferencesInspection" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="ignoredIdentifiers">
+        <value>
+          <list size="3">
+            <item index="0" class="java.lang.String" itemvalue="xblock.runtime.LmsUser.anonymous_student_id" />
+            <item index="1" class="java.lang.String" itemvalue="xblock.runtime.LmsUser.get_real_user" />
+            <item index="2" class="java.lang.String" itemvalue="xblock.runtime.LmsCourse.course_id" />
+          </list>
+        </value>
+      </option>
+    </inspection_tool>
+    <inspection_tool class="TaskInspection" enabled="true" level="INFO" enabled_by_default="true">
+      <option name="suppressedTasks">
+        <set>
+          <option value="CoffeeScript" />
+          <option value="HAML" />
+        </set>
+      </option>
+    </inspection_tool>
+  </profile>
+</component>
\ No newline at end of file

.idea/inspectionProfiles/profiles_settings.xml

+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="PROJECT_PROFILE" value="Project Default" />
+    <option name="USE_PROJECT_PROFILE" value="true" />
+    <version value="1.0" />
+  </settings>
+</component>
\ No newline at end of file

.idea/misc.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.3.2+ (/usr/bin/python3m)" project-jdk-type="Python SDK" />
+</project>
+

.idea/modules.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/cs_comments_service.iml" filepath="$PROJECT_DIR$/.idea/cs_comments_service.iml" />
+    </modules>
+  </component>
+</project>
+

.idea/scopes/scope_settings.xml

+<component name="DependencyValidationManager">
+  <state>
+    <option name="SKIP_IMPORT_STATEMENTS" value="false" />
+  </state>
+</component>
\ No newline at end of file

.idea/vcs.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="" />
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
+

AUTHORS

@@ -27,3 +27,4 @@ Clinton Blackburn <cblackburn@edx.org>
 Eugeny Kolpakov <eugeny.kolpakov@gmail.com>
 Ben McMorran <ben.mcmorran@gmail.com>
 Bill DeRusha <bill@edx.org>
+Eugeny Kolpakov <eugeny.kolpakov@gmail.com>