select helper consistent with if semantics
Added support for multiple event-listeners on dust.Stream :golf:
Added tests for multiple event-listeners on dust.Stream
adding node 0.8 to the travis file.
helpers removed from Dust core. New npm package created for helpers.

Conflicts:
	dist/dust-core-1.0.0.js
	dist/dust-full-1.0.0.js
useless param removed from jasmine target in the Makefile
ds_store files removed.
helpers included in dust core
Merge pull request #95 from jairodemorais/remove_helpers

helpers removed from Dust core. New npm package created for helpers.
Enhanced tests for pipe (pipe to several streams aka multiple event-listners)
modifying package, testing push
fixes #98, added math helper and unit tests
test file fixed. it was using an inexistent file. the examples file was renamed to grammarTests in the last commit
Merge branch 'streams' of https://github.com/oleics/dustjs into oleics-streams
merge PR https://github.com/linkedin/dustjs/pull/93
Merge pull request #105 from jairodemorais/mergeTapPR

merge PR https://github.com/linkedin/dustjs/pull/93
adding a mod (modulus) helper and unit tests
issue 106, accessing array inside a loop using the current context
change nestedKey to nested_key to keep the grammar convetion consistent
little changes in the grammar file to make it consistent