Wip/martyn/website updates

Bumper series, focusing mainly on removing/sorting/updating the old docs/ section.

added 23 commits

• 9aba3a72...04c35e0b - 2 commits from branch master
• 71d2301d - Move webkit related documentation out of the document root
• 91c1c5f8 - Give VirtualBox page weighting
• 962b0d97 - Move ostree doc to guides
• e1b76c4b - Remove factory-reset-tool page
• effd2757 - Remove traffic control page
• ff4e112b - Remove partition layout page
• 9681a04f - Remove rollback-daemon page
• fcccf7de - Tweak and move plymouth doc to guides
• d5845a81 - Remove supported APIs page
• 68558f94 - Update and move connman proxy setup guide
• ebb6484f - Update and move power loss & robustness document to architecure
• b0ba7675 - Update and move presentations to architecture
• b6125a3c - Remove contact search doc
• c2082489 - Remove virtual buttons doc, save touchscreen calibration guide
• 12ed6081 - Tweak and move multimedia buffering information to architecture
• 74fe991b - Delete firewall doc
• a192dcb9 - Remove AppArmor docs
• 7d4adeed - Deelte Webkit Performance Optimization document
• 056e691c - Remove webkit-resource-optimization document
• 61324e56 - Remove supported api strategy
• ca6a1406 - Remove docs directory and tweak main page

Compare with previous version

added 22 commits

• 6b6f371b - 1 commit from branch master
• 113d5955 - Move webkit related documentation out of the document root
• ef21216b - Give VirtualBox page weighting
• 632c8eb4 - Move ostree doc to guides
• 49507c40 - Remove factory-reset-tool page
• aa4a4ec1 - Remove traffic control page
• 039b3c68 - Remove partition layout page
• 8287e536 - Remove rollback-daemon page
• 67f80381 - Tweak and move plymouth doc to guides
• 9de8d3dd - Remove supported APIs page
• 9eeab736 - Update and move connman proxy setup guide
• 09dae1a1 - Update and move power loss & robustness document to architecure
• ea719502 - Update and move presentations to architecture
• d1518d22 - Remove contact search doc
• 8d5c42a9 - Remove virtual buttons doc, save touchscreen calibration guide
• 6aa56a12 - Tweak and move multimedia buffering information to architecture
• 3bcea5f6 - Delete firewall doc
• 341a9aae - Remove AppArmor docs
• 6be511b8 - Deelte Webkit Performance Optimization document
• d1559295 - Remove webkit-resource-optimization document
• f1e2b0ca - Remove supported api strategy
• 828a5663 - Remove docs directory and tweak main page

Compare with previous version

enabled an automatic merge when the pipeline for 828a5663 succeeds

merged