Update dependencies
Update target java to version 1.7
Refactoring with Spring Framework
Fix failing tests
Remove unnecessary annotation
Add @CompileStatic
replace java.io.File with java.nio.file.*
Update to the new template
Update version to 0.4-SNAPSHOT
Update settings for Travis CI
Update Gradle Wrapper to version 2.0
Add parser for headers of Markdown
Change a path of pages directory to a root directory
Remove unnecessary comment
Add parser for pages.groovy
Support a TOC generating for a document
New extension method: render(markdownFilePath)

Conflicts:
	src/main/groovy/gaiden/BindingBuilder.groovy
Update the file name of GaidenConfig.groovy and Pages.groovy
Remove the assets directory
Fix the wrong html code of the TOC