Changed version in readme section
Restructured project
Moved to nice-sbt-settings plugin
Changed type of leterateFile/Dir: now it returns error messages if any
Added file name to parsing error messages
Merge branch 'release/v0.3.0' into feature/index

Conflicts:
	README.md
	src/main/scala/Literator.scala
	src/test/scala/TestCode.scala
Added index generation
Added index to the generated markdown; changed interface to use File/Path everywhere
Updated readme
Made index for dirs optional
Merge branch 'feature/index' into release/v0.3.0
Fixed links in readme
Fixed links in readme (again)
Changed docs/code to docs/src
Pre-release preparations
Added 0.3.0 release notes
Setting version to 0.3.0
Merge branch 'release/v0.3.0'
Merge branch 'master' into release/v0.4.0

Conflicts:
	version.sbt
* Great refactoring! Made everything more `File`-centric;
* Abstracted parsing over particular language;
* Merged `literateFile/Dir` into one `File.literate()` method;
* Changed namespace;