[DEV DEPLOYMENT] Release of BrainSimulation version 1.1.8.dev4

Change-Id: I728bdc39d3e510e63c39f72769a6bf05d29ce919

hbp_nrp_music_interface/hbp_nrp_music_interface/version.py

 '''version string - generated by setVersion.sh'''
-VERSION = '1.1.8.dev3'
+VERSION = '1.1.8.dev4'

hbp_nrp_music_interface/requirements.txt

 # HBP requirements
-hbp-nrp-cle==1.1.8.dev5
-hbp-nrp-commons==1.1.8.dev5
-hbp-nrp-music-xml==1.1.8.dev3
+hbp-nrp-cle==1.1.8.dev6
+hbp-nrp-commons==1.1.8.dev6
+hbp-nrp-music-xml==1.1.8.dev4
 
 # third party requirements

hbp_nrp_music_xml/hbp_nrp_music_xml/version.py

 '''version string - generated by setVersion.sh'''
-VERSION = '1.1.8.dev3'
+VERSION = '1.1.8.dev4'