added tests for disabling rax role extensions
updated header check configuration to account for rax role extension checks
updated test config to accept raxrole param
added logic in checker-builder to account for enableraxroles logic
added test for raxroles disabled with header checks disabled
added tests for sibling resources not inheriting each others rax:roles permission sets
added remove dups to test cases for raxroles extensions
updated test config for raxroles tests
Merge pull request #174 from malconis/raxroles

Raxroles