Update version to 0.1.15

Author: ataffanel

setup.py

@@ -4,7 +4,7 @@
 
 setup(
     name='cflib',
-    version='0.1.14.2',
+    version='0.1.15',
     packages=find_packages(exclude=['examples', 'tests']),
 
     description='Crazyflie python driver',