Camera presets changes

- Fixed typo in Canon C300 camera name
- Added preset for Nexus5

release/scripts/presets/camera/Nexus_5.py

@@ -0,0 +1,5 @@
+import bpy
+bpy.context.object.data.sensor_width = 4.5
+bpy.context.object.data.sensor_height = 3.37
+bpy.context.object.data.lens = 3.91
+bpy.context.object.data.sensor_fit = 'HORIZONTAL'

release/scripts/presets/tracking_camera/Nexus_5.py

@@ -0,0 +1,11 @@
+import bpy
+camera = bpy.context.edit_movieclip.tracking.camera
+
+camera.sensor_width = 4.5
+camera.units = 'MILLIMETERS'
+camera.focal_length = 3.91
+camera.pixel_aspect = 1
+camera.k1 = 0.0
+camera.k2 = 0.0
+camera.k3 = 0.0
+