JRUBY-7190:  Incorrect encoding on result string read from File introduced in JRuby 1.7.4
Fix typo in testing documentation
Merge pull request #943 from Sinjo/fix_test_docs_typo

Fix typo in testing documentation
Merge remote-tracking branch 'origin/master'
More faithful port of strio_read.
Rename "data" to "ptr" to more closely match MRI source.