Added Next and Previous buttons to image view

Merged JS files
Removed Scene Type from metadata mapping
Added arrow to tool-tips

gallery/metadata/helpers.py

@@ -215,13 +215,6 @@ def scene_capture_type(value):
         return None
 
 
-def scene_type(value): # pylint: disable=W0613 # Itss fiiiineeee
-    """
-    Maps the value of the scene type to a human readable format
-    """
-    return 'Directly photographed image'
-
-
 def white_balance(value):
     """
     Maps the value of the white balance to a human readable format

gallery/metadata/mapping.py

@@ -40,7 +40,6 @@ CAMERA_MAPPING = {
     'MeteringMode':             ['Metering Mode', 'metering_mode'],
     'LightSource':              ['Light Source', 'light_source'],
     'SceneCaptureType':         ['Scene Capture Type', 'scene_capture_type'],
-    'SceneType':                ['Scene Type', 'scene_type'],
 }
 SOFTWARE_MAPPING = {
     'Software':     ['Software'],