0.3.0

• [Changed] Remove _stripCommentTag() util, drop _.templateSettings.shouldUnwrapCommentTag config. (#18)
• [Changed] Fetch any template code from dummy script tags, no matter whether it contains valid template markups. (539b6a5)
• [Fixed] Now .add() can define template with existing template ID. (#20)
• [Fixed] Now check validity of template code according to template markups defined in _.templateSettings, instead of a hardcoded preset. (#11)
• [Improved] Clear level 2 cache when level 1 cache is set. (#16)