Merge pull request #118 from LibraryOfCongress/version1

updates due to version 1.0 of bagit spec being released

refs PR 112 - fixed threading issue when creating list of exceptions

refs #107 - added support for repeatable to bag profile conformance c…

…hecker

fixing PMD error

refs #99 - reverted to using relative paths and added test to ensure

that format for fetch file is correct

This reverts commit e7e76da.

Fixing documentation example since creating a bag takes a list of alg…

…orithms

refs #99 - don't write payload file to data directory if that file is…

… in the fetch list

refs #94 - changed from using finalize to the AutoClosable interface …

…because it integrates with other JVM languages better

refactored BagCreator to reuse methods instead of duplicating them

refs #92 - fixing spelling and grammer mistake