Added an ANY_OF validator that allows a value to be valid according to any of a list of validators.
Adds IS_IPV6() validator using Google ipaddr.py library

ipaddr.py library rev/3144 has been approved as a standard python
library for python3. IS_IPV4() was not modified to use the library.
Render form content instead
better Expose
Merge pull request #70 from gokceneraslan/patch-1

Render form content instead
Merge branch 'master' of github.com:web2py/web2py
Merge pull request #69 from grutz/IS_IPV6

Adds IS_IPV6() validator using Google ipaddr.py library
Merge pull request #68 from mictee/any_of_validator

Added an ANY_OF validator
fixed problem with hideerror, thanks Ricardo
fixed issue 1422, rss serializer encoding, thanks neoecos
fixed spanish translation, thanks neoecos
fixed contains(field) in postgresq for list:string
fixed Issue 1414:Error with ldap_auth and using allowed_groups against AD 2008, thnaks Peter Gastinger
Issue 1423:smartgrid multiple links to related table - how to suppress all but one, thanks cjkske
fixed Issue 1419:Using a recursive select but encountered a broken reference (versioning and auth.signature)
Issue 1418:Enhancement - SQLFORM.grid param. to change selectable option's submit button text, thanks bpeterso2013
remove un-necessary checks
app pack custom
interfear->interfere, thanks Ramos
Issue 1425:Check NoSQL, not GAE or Mongo, thanks Alan