css-infos: flexbox properties refer to old draft/only webkit

[dstorey]

URL: http://css-infos.net/property/-webkit-box-pack Google position: 1st

URL: http://css-infos.net/property/-webkit-box-orient URL: http://css-infos.net/property/-webkit-box-align Google position: 2nd

URL: http://css-infos.net/property/-webkit-box-flex Google position: 4th

Issue:

• properties only show webkit prefix
• only show safari support info
• use an old version of the spec

Fix:

• Add deprecation notice, and make new pages for the equivalent standards based property and point to them from the notice.