Create start-workflow.md
added documentation about #5175
Update start-workflow.md
Update start-workflow.md
reverted #5189 and made markdown more clear
Update start-workflow.md
Update start-workflow.md
fixed crash of Formatter when intl is not installed

related to #5214
adjusted composer.json to follow more stable versioning policy for assets

as discussed before, better do this change before RC to avoid breaking BC in GA.
Update start-workflow.md
Merge pull request #1 from Benn/patch-1

Patch 1
Merge pull request #5215 from Benn/master

French start-workflow.md
prepare for 2.0.0-rc release.
prepare for next release.
Official support for HHVM

tests are not allowed to fail anymore.
added bootstapping tutorial
added bootstapping tutorial
Create start-hello.md
Fixed irregular numeric declination for slovak locales

close #5214
finished routing tutoail [skip ci]