Added travis badge
Merge branch 'master' into ci-enumerators

Pulling in travis stuff
Merge branch 'master' into ci-enumerators
Fix travis yaml file
Merge branch 'master' into ci-enumerators
Add rdoc dependency
Merge branch 'master' into ci-enumerators
Add  nokogiri dependency
Merge branch 'master' into ci-enumerators
Added test_xml for xml equivalence testing
Merge branch 'master' into ci-enumerators
Change XML tests to rely on xmlsimple
Merge branch 'master' into ci-enumerators
Update README.md

Point to ruby-marc/ruby-marc to get travis icon
Merge branch 'master' into ci-enumerators
Merge pull request #16 from ruby-marc/ci-enumerators

Ci enumerators
rewrite ControlField.control_tag? to just test strings, not fail on data tag strings that #to_i to numbers
bump version to 0.6.0
Merge remote-tracking branch 'ruby-marc/master' into nw
Force utf-8 in FastXML writer