Reverse "fix .gitignore"
Reverse "fix .gitignore"

Changing the db and migrations directories to non-relative paths as per 89f4fa27b302a6234b9676fa2bce2af83198e1bd resulted in a user with `core.ignorecase=true` in his git config having issues with files and folders within his vendor folder to be ignored #965.
robmorgan/phinx,Thamrongsak/phinx,daniel-gomes-sociomantic/phinx,ikagawa/phinx