Patch release version 3.0.1 of t8code is now available!

This patch release includes several non-breaking bug fixes and improvements.

Full Changelog: v3.0.0...v3.0.1

Summary

Fix various warnings: #1284 by @dutkalex
Fix wrong return value when checking tree geometry compat: #1285 by @jmark
Fix spelling errors: #1291 by @Davknapp
Correct email address: #1308 by @sandro-elsweijer
Add version.txt to .gitignore: #1313 by @sandro-elsweijer
Fix: More robust connect cmesh faces by vertices and sphere cmesh examples: #1296 by @jmark
Fix: Add missing headers in order to import definitions.: #1319 by @jmark
Remove Fortran from language dependencies when not needed.: #1281 by @jmark