Merge pull request #14 from jvelilla/roc_template

Update sqlite implemenation to make it compile
Updated ecf files, and added non void-safe .ecf files.
Added cms_smarty_template_block
Added CMS_RESPONSE.module_assets_location and CMS_RESPONSE.module_assets_theme_location
    that help locating module related assets.
Added CMS_BLOCK.is_raw to abstract CMS_CONTENT_BLOCK.is_raw
Added cms_concepts