Add php analyzer

Signed-off-by: crynobone <crynobone@gmail.com>
Update docs structure.

Signed-off-by: crynobone <crynobone@gmail.com>
Merge branch '2.0'

Signed-off-by: crynobone <crynobone@gmail.com>

Conflicts:
	docs/changes.md
	docs/readme.md