Update install

Tested Centos 6.6
Update install
Rename install to install-centos
Create install
Delete auth-mysql.sql
Revert "Create install"

This reverts commit 94582d37550ec1e30436598c615bbc34b7066db7.
Revert "Delete auth-mysql.sql"

This reverts commit 0d6313694665e0d9a2ff8deb29ec0ae5c8dbc991.
Revert "Rename install to install-centos"

This reverts commit fbacb46f3f1c257c81af21259664b6892014cd3b.
Revert "Create install"

This reverts commit 94582d37550ec1e30436598c615bbc34b7066db7.

Conflicts:
	ext/install
Up
Delete auth-mysql.sql
Merge pull request #6 from boxbillinggit/dev

Update install