When querying for a contig which doesn't exist in SAMFileReader, return an empty iterator. This matches the behavior in BAMFileReader
adding travis-ci
Merge pull request #45 from samtools/nh_travis_ci

adding travis-ci
adding build status in the README
Merge pull request #47 from samtools/nh_readme_with_build_status

adding build status in the README
Checks if ReferenceFile is indexed, and if so, uses it

added tests.
Merge pull request #48 from samtools/yf_allow_referenceFileWalker_RAM_on_indexed_BAMs

Checks if ReferenceFile is indexed,
Fix unit test URL for google redirect.
Merge pull request #49 from samtools/jc_fix_google_url

Fix unit test URL for google redirect.
Release 1.116
Update TabixReader.java
GitHub-51 Fix NPE if idxFn TabixReader ctor arg is non-null.
Merge pull request #53 from samtools/aw_NPE_in_TabixReader_51

GitHub-51 Fix NPE if idxFn TabixReader ctor arg is non-null.
removing unnecessary libraries
Merge pull request #57 from samtools/nh_remove_unnecessary_libs

removing unnecessary libraries
Explicitly implementing Closeable on classes and interfaces with a void close() definition
Adding the Damerau-Levenshtein algorithm to calculate a distance between
strings into StringUtil.
Merge pull request #59 from samtools/nh_levenshtein

Adding the Damerau-Levenshtein algorithm to calculate a distance between
enhance tabixReader: iterator moved to interface
Merge pull request #58 from d-cameron/closeable

Explicitly implementing Closeable on classes and interfaces with close()