support for 'events' core module
Merge pull request #35 from ghempton/events

support for 'events' core module
.travis.yml indentation
fixes #32: support accepting entry point over stdin
use relative paths for sourceMapRoot value in source maps; closes #37
use `.` as sourceMapRoot when source map is generated in root directory
Version 0.5.1
add safety checks around release build targets
update README demo for sync/async interface
fixes #36: allow process stub to be omitted

through `--no-node` CLI option or falsey `node` API option
fixes #39: core module symlinks are not packaged properly by npm
fix error messages for unported node core modules
fixes #41: add --deps flag to CLI; lists dependencies without bundling
Version 0.6.0
re-ignore node submodule

refs #39
Version 0.6.1
process.nextTick uses setImmediate if available
add tests for process.nextTick
slightly cleaner process.nextTick test
add leading "generated by" comment; refs substack/node-browserify#380