[+ tests/test_util_imgmeta] tests for module
[+ ts/util/imgmeta] add module to get metadata
[template] add module header template
[ts/init.py] add timestream module docstring
[travis.yml] add travis ci config
[README.md] add readme
[travis] fix typo in travis ci config
[travis] always run coveralls
[test/data/BVZ...] add a test timestream
[tst/dt/ts/ts.tsm] add manifest to test data ts
[test/data/timestreams] add more timestreams
[- ts/serve] remove serve module placeholder
[test/d/*-exif.json] fix exif test literal values
[tst/d/ts/B/.tsm] fill good ts' manifest
[tst/h.py] add new test data to helpers.py
[util.imgmeta] fix most failing tests in imgmeta
[ts.util] add unicode->str dict converter & consts
[ts.parse] add start of parser, and tests
[ts.util.validation] add validation helpers
[ts.parse.validate] add ts manifest validator