Added project skeleton.

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extra : histedit_source : ef0ab32e271169c81f564c78e7d587e783a805a4%2C59fd5be9f9b57931eb798c0a6ef47aaff37b05cf
Added library implementation

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extra : histedit_source : 8d551c842ca9c80f4d8f1a46dff82827999fad05%2Ceb579892214e28f80a393f8a4042a73e392b386f
Added express3-handlebars helpers.

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extra : histedit_source : 80d4efbd0fe9b6b6f0c4b460a6b79de7be4ffa00
Updated README