Make py3 compatible

λ otc configure 
Traceback (most recent call last):
  File "/usr/local/bin/otc", line 7, in <module>
    from otcclient.shell import main
  File "/usr/local/lib/python3.6/dist-packages/otcclient/shell.py", line 6, in <module>
    from otcclient.utils.utils_output import printShortHelp
  File "/usr/local/lib/python3.6/dist-packages/otcclient/utils/utils_output.py", line 125
    print i,j
          ^

And after fixing that:

λ otc --configure                                                                 
Traceback (most recent call last):
  File "/usr/local/bin/otc", line 11, in <module>
    load_entry_point('python-otcclient==0.3.31', 'console_scripts', 'otc')()
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 561, in load_entry_point
    return get_distribution(dist).load_entry_point(group, name)
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2631, in load_entry_point
    return ep.load()
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2291, in load
    return self.resolve()
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2297, in resolve
    module = __import__(self.module_name, fromlist=['__name__'], level=0)
  File "/usr/local/lib/python3.6/dist-packages/otcclient/shell.py", line 6, in <module>
    from otcclient.utils.utils_output import printShortHelp
  File "/usr/local/lib/python3.6/dist-packages/otcclient/utils/utils_output.py", line 10, in <module>
    from otcclient.core.argmanager import get_help_iter
  File "/usr/local/lib/python3.6/dist-packages/otcclient/core/argmanager.py", line 64
    print fval 

After fixing that:

λ otc --configure                                                              
Traceback (most recent call last):
  File "/usr/local/bin/otc", line 11, in <module>
    load_entry_point('python-otcclient==0.3.31', 'console_scripts', 'otc')()
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 561, in load_entry_point
    return get_distribution(dist).load_entry_point(group, name)
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2631, in load_entry_point
    return ep.load()
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2291, in load
    return self.resolve()
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2297, in resolve
    module = __import__(self.module_name, fromlist=['__name__'], level=0)
  File "/usr/local/lib/python3.6/dist-packages/otcclient/shell.py", line 23, in <module>
    from otcclient.core.userconfigaction import userconfigaction
  File "/usr/local/lib/python3.6/dist-packages/otcclient/core/userconfigaction.py", line 67
    print e
          ^
SyntaxError: Missing parentheses in call to 'print'

I gave up after that...