Release version 1.3.4

Fixes:
 - correct drive detection on Windows with non-English languages
 - left align columns in CLI output
 - update platform database when it's out of date

New Targets:
 - NUCLEO_H743ZI
 - DISCO_F407VG
 - TMPM46B

Author: theotherjimmy

setup.py

@@ -34,7 +34,7 @@ def read(fname):
     return open(os.path.join(os.path.dirname(__file__), fname), encoding="utf8").read()
 
 setup(name='mbed-ls',
-      version='1.3.3',
+      version='1.3.4',
       description=DESCRIPTION,
       long_description=read('README.md'),
       author=OWNER_NAMES,