erchef 1.2.2

Updated deps:

  eper
    2013-01-19 9c7be62 using the 'blocking' option borked syntax error reporting

  chef_db
    2013-01-22 7120538 [OC-5466] Removed references to mysql from documentation
    2013-01-21 3fa6b74 Merge pull request #28 from opscode/hh/OC-5466/remove-mysql
    2013-01-14 dbd5d2b Removed mysql statements and opc postgresql statements