Fixes issue #113 by setting content of createBlock method as String and as String List.
Fixes issue #125 by providing new scripts without sh extension and with new names
Fixes issue #114 by adding createInline method.
Fixes issue #124 by excluding files and directories starting with . or _ in AsciiDocDirectoryWalker.
Format code with tabs
Resolves #129, Promote nofooter attribute
Fixes #126 by adding log API and transforming Options and Attributes to CLI format
Merge pull request #130 from Mogztter/Issue#129

Resolves #129, Promote nofooter attribute
resolves issue #129 by promoting nofooter attribute.
resolves issue #91 by promoting sectnumlevels attribute.
resolves issue #92 by promoting hradbreaks attribute.
resolves #94 by promotting appendix-caption attribute.
resolves issue #105 by promotting math attribute.
resolves issue #120 by adding open-uri-cache gem.
resolves issue #123 by adding log information about how to install pygments.
resolves issue #121 by promotting hide-uri-scheme attribute.
Bumped versions, fixed test.
Merge pull request #133 from nawroth/bump

Bumped versions, fixed test.
resolves issue #122 by allowing users unregistering all current registered extensions.
resolves issue #127 by adding distribution manager to bintray.