Merge pull request #51 from joval/master

Documentation for JunOS schema.
updating RFC 4741 to RFC 6241.
Merge branch 'master' of https://github.com/OVALProject/Sandbox
updating the app_manager_object so that its process_name and package_name entities are not optional.
Merge remote-tracking branch 'joval/master'
adding x-ios-section:section_test. Thanks to Omar Santos and Panos Kampanakis of Cisco for submitting this new test.
deprecating the Cisco CatOS constructs. Thanks to Omar Santos and Panos Kampanakis of Cisco for submitting this new test.
deprecating the Cisco PixOS constructs. Thanks to Omar Santos and Panos Kampanakis of Cisco for submitting this new test.
Update resources/x-android-schema/notes.txt

adding a note mentioning that OVAL content for Android can be downloaded from SCAPrepo.
Update resources/x-junos-schema/notes.txt

adding a note mentioning that OVAL content for JunOS can be found in SCAPrepo.
pushing change to section_command documentation from Cisco's pull request.
adding occurrence attributes to split and regex_capture functions. also added trim and get_cisco_cli_section.
Merge branch 'master' of https://github.com/OVALProject/Sandbox
deprecated snmp_test, snmp_object, snmp_state, and snmp_item.
deprecating the interface_test, interface_object, interface_state, and interface_item.
adding experimental interface511_test for Cisco IOS.
adding acl-related tests for Cisco IOS.
adding routing-related tests for Cisco IOS.
adding experimental Cisco IOS SNMP tests. Thanks to the Cisco team for submitting this schema.
Adding extension schemas, notes, and sample content for the sql57
test.