Merge pull request #5 from daanwissing/master

gulp-tsc has fixed the references problem, so no need to do the workaround anymore
Replaced gulp-clean with gulp-rimraf. This did not solve a bug in rebuild/rerelease, so removed rebuild/rerelease options from gulp build.
Maximized unittest code coverage and optimized performance.
Attempt at getting coveralls.io and travis-ci working.
Attempt at getting travis build to work.
Attempt at making build work in travis
Attempt 3 at making build work in travis
Allow unit tests to run in other time zones.
Ensure unittests run with different TZ settings.
Made runtests script executable for linux
Made runtests script executable for linux
Bugfix in weekDay() for times near 00:00:00 with certain machine time zones
Attempt at getting coveralls support working
Attempt 2 at getting coveralls support working
Attempt 3 at making coveralls work.
Readme update
Moved known issues to github.
Fixed typos in README.md
Read timezone information at startup from a JSON file:

This change makes it easier to use the library in a browser using
browserify. The JSON file is generated from the offical Olson database
using the node-preparse tool of timezone-js. This commit also removes the
previously used in tree Olson database.
Merge pull request #9 from peterkooijmans/master

Read timezone information at startup from a JSON file: This change makes it easier to use the library in a browser using
browserify. The JSON file is generated from the offical Olson database
using the node-preparse tool of timezone-js. This commit also removes the
previously used in tree Olson database.