Auto Brightness

- Hue now thread safe
- Added the auto-brightness
  * probably realistic enough
  * probably a bit buggy
- Added test for it
- Rearranged imports

SeniorAssistant.iml

@@ -11,7 +11,12 @@
     <exclude-output />
     <content url="file://$MODULE_DIR$">
       <excludeFolder url="file://$MODULE_DIR$/.gradle" />
+      <excludeFolder url="file://$MODULE_DIR$/.idea" />
+      <excludeFolder url="file://$MODULE_DIR$/.settings" />
+      <excludeFolder url="file://$MODULE_DIR$/META-INF" />
       <excludeFolder url="file://$MODULE_DIR$/build" />
+      <excludeFolder url="file://$MODULE_DIR$/gradle" />
+      <excludeFolder url="file://$MODULE_DIR$/lib" />
       <excludeFolder url="file://$MODULE_DIR$/out" />
     </content>
     <orderEntry type="sourceFolder" forTests="false" />