Fix FakeFs dep to 0.5.3 to fix tests
Extends glob syntax for slinky_depends (fixes #12)

With this commit, slinky_depends will continue to support simple
globbing (where a single * can match any file) for relative paths.
For absolute paths, full path matching is now supoprted.
Use tsort for topological sorting (massive speedup)
Merge pull request #13 from mwylde/feature/faster_topological_sort

Use tsort for topological sorting (massive speedup)
Make sure errors are seen with a big z-index
Always print out version number
Fix tests
Don't reload on files not in manifest
Clean up source paths (improves output)
Show master build status in README

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Fix for proxy requests that span multiple reads
Merge pull request #14 from mwylde/feature/proxy_fix

Fix for proxy requests that span multiple reads
Merge branch 'master' into alex_transitive_closure_in_c
Correct rake-compiler version