Updates for 2.5.0 release

[speth]

Just collecting some updates to be merged into the website in conjunction with the release of Cantera 2.5.0.

Some remaining To-do items:

• [x] The section "OS X & macOS" in installation-reqs.txt needs to be updated to reflect the end of Python 2 support, but I'm not actually sure what the right instructions here are.
• [x] Figure out what the minimum Numpy version is going to be for the Windows binaries

Resolves #97 Resolves Cantera/cantera#565

[bryanwweber]

I'm working on the updates to the macOS section. Since we only require the Boost headers, what if we remove the recommendation for Homebrew? As best I can tell, that's the only thing that may be installed more easily from Homebrew. Python can come from python.org and all the other Python dependencies can come from pip.

If we suggest that people download the Boost headers and put them somewhere, we can eliminate installing Homebrew...

[bryanwweber]

I pushed a commit that assumes we will keep Homebrew and just updates those instructions, pending my comment above.

[decaluwe]

What about libomp?

Sent from my iPad

On Jan 28, 2021, at 8:31 PM, Bryan W. Weber notifications@github.com wrote:

 I'm working on the updates to the macOS section. Since we only require the Boost headers, what if we remove the recommendation for Homebrew? As best I can tell, that's the only thing that may be installed more easily from Homebrew. Python can come from python.org and all the other Python dependencies can come from pip.

If we suggest that people download the Boost headers and put them somewhere, we can eliminate installing Homebrew...

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[bryanwweber]

What about libomp?

Aww dangit. That and Git are probably easier to install from Homebrew. OK, I'm convinced, we'll keep it.