Version Bump - 2.6.0-rc1
Relax pyroma for RC versions
Relax exact equals to approximate
Test failure explanation on PPC
Slightly relax imagedraw tests to pass on x86
Merge pull request #930 from wiredfool/2.6.x

2.6.x-rc test fixes
Fix SPIDER homepage link

[CI skip]
Add Landscape config and badge
Merge pull request #935 from hugovk/landscape-config

Add Landscape config and badge
Version Bump -- 2.6.0
Merge branch '2.6.x'
Troubleshooting RTD [ci skip]
Troubleshooting RTD [ci skip]
Remove unused variable in libImaging
Merge pull request #937 from radarhere/master

Remove unused variable in libImaging
Fix rename regression
Merge pull request #939 from hugovk/deferred_error_regression

Fix regression
Add `make pre` step

Feel free to incorporate this better in other sections.
Fix manifest

Run `make pre` to check MANIFEST
Update Releasing.md [ci skip]