Preparing tofu 1.4.2-a4

[Didou09]

Main changes since last alpha:

• New tutorial for new configs New tutorial on builtin configs #297
• pipy deployment in travis is 'sdist' (skipped if already exists and then bdist for MacOS only. [quick fix] took out wheel deployment and add skip if already in pypi #293
• November meeting notes November meeting summary #291
• Cleaned-up useless files [Issue288] Files removed #290
• IMAS version is checked against latest version [Issue287] IMAS version check operational in imas2tofu.__init__, made… #289

[pep8speaks]

Hello @Didou09! Thanks for opening this PR. We checked the lines you've touched for PEP 8 issues, and found:

• In the file examples/tutorials/tuto_plot_basic.py:

Line 5:80: E501 line too long (87 > 79 characters)

• In the file examples/tutorials/tuto_plot_gallery_fusion_machines.py:

Line 5:80: E501 line too long (94 > 79 characters)
Line 14:80: E501 line too long (101 > 79 characters)
Line 16:80: E501 line too long (104 > 79 characters)
Line 17:80: E501 line too long (109 > 79 characters)
Line 24:80: E501 line too long (93 > 79 characters)
Line 30:80: E501 line too long (110 > 79 characters)
Line 33:1: E402 module level import not at top of file
Line 38:18: W292 no newline at end of file

[Didou09]

I suggest we ignore PEP8 complains for tutorials, what do you think ?