refactor(app): simplify head link and meta rendering, add more titles and descriptions

TODO.md

@@ -25,20 +25,20 @@
     - [ ] Fetch name from LDAP
     - [ ] Social Login
   - **Hunt Admin**
-    - [ ] Create hunt
-    - [ ] Add Questions
+    - [x] Create hunt
+    - [x] Add Questions
     - [ ] View Answers on Map
     - [x] Image Diashow
   - **Hunt User**
     - [x] View all images on one page
     - [x] i18n data
-    - [ ] Mark image as private
+    - [x] Mark image as private
     - [ ] How-to/Guide/Good explanation
-    - [ ] Leave/Remove/Edit team
+    - [x] Leave/Remove/Edit team
     - [ ] Support chat
     - [ ] Copy team from different hunt
     - [ ] Get Geo-Location
-    - [ ] View other answers
+    - [-] View other answers
     - [ ] View other reviews and scores
     - [x] Process image uploads (resize, remove EXIF, etc.)
     - [ ] Review other answers (Fan-Favorite)