Spyder: async and await keywords highlight

[xxblx]

Description

Spyder doesn't highlight async and await keywords from Python 3.5+

What steps will reproduce the problem?

1. Open spyder
2. Enter async or await in editor

Versions and main components

• Spyder Version: 3.0.2
• Python Version: 3.5.2
• Operating system: macOS Sierra 10.12.1

Dependencies

jedi >=0.8.1     :  0.9.0 (OK)
matplotlib >=1.0 :  1.5.3 (OK)
nbconvert >=4.0  :  4.2.0 (OK)
numpy >=1.7      :  1.11.2 (OK)
pandas >=0.13.1  :  0.19.1 (OK)
pep8 >=0.6       :  1.7.0 (OK)
psutil >=0.3     :  5.0.0 (OK)
pyflakes >=0.6.0 :  1.3.0 (OK)
pygments >=2.0   :  2.1.3 (OK)
pylint >=0.25    :  1.6.4 (OK)
qtconsole >=4.2.0:  4.2.1 (OK)
rope >=0.9.4     :  0.10.3 (OK)
sphinx >=0.6.6   :  1.5a1 (OK)
sympy >=0.7.3    :  1.0 (OK)

[ccordoba12]

Thanks for reporting. We'll fix this in Spyder 3.1.

@mariacamilaremolinagutierrez, this is an easy one for you, given that you've worked on highlighting of Python words in the past :-)