Update openSUSE packages for python dependencies

[jayvdb]

The following python dependencies are out of date:

• [ ] https://software.opensuse.org/package/python3-argcomplete 1.0 vs ~=1.8
• [ ] https://software.opensuse.org/package/python3-pydocstyle 1.1.1 vs ~=2.0
• [ ] https://software.opensuse.org/package/python3-vim-vint 0.3.11 vs ~=0.3.12
• [ ] https://software.opensuse.org/package/python3-vulture 0.12 vs 0.1.4.0

And some where coala is out of date (we have bugs for each of these)

• libclang-py3 3.8.2 vs coala ~=3.4.0
• click 6.7 vs bears click == 6.6
• pyflakes 1.5 vs bears pyflakes ~= 1.4.0
• radon 1.4.2 vs bears radon==1.4.2
• safety 1.1.1 vs bears safety ~=0.5.1 (https://github.com/coala/coala-bears/issues/1684)
• ~~requests-mock~~
• yapf 0.16 vs yapf ~= 0.14.0
• lxml 3.7.3 vs lxml == 3.6.0