Merge pull request #268 from AllenInstitute/fix/mesoscope_device

adds multiscope

Author: neuromusic

visual_behavior/devices.py

@@ -47,6 +47,7 @@
     'W7DTMJ234MG': 'peterl_2p',
     'W7DT2P3STiM': '2P3',
     'W10DTSM118296': 'NP3',
+    'meso1stim': 'MS1',
     'localhost': 'localhost'
 }