DATAREDIS-336 - Polished Asciidoctor setup.

Simplified tasks into single asciidoctor task. Wipe out expandPlaceholders to avoid needing the hack to in turn avoid the issue with file expansion.

Removed obsolete baseDir prefix from index.adoc.

Original pull request: #94.

src/asciidoc/index.adoc

@@ -13,24 +13,24 @@ NOTE: Copies of this document may be made for your own use and for distribution
 
 toc::[]
 
-include::{baseDir}/preface.adoc[]
+include::preface.adoc[]
 
 [[introduction]]
 = Introduction
 
 :leveloffset: +1
-include::{baseDir}/introduction/introduction.adoc[]
-include::{baseDir}/introduction/why-sdr.adoc[]
-include::{baseDir}/introduction/requirements.adoc[]
-include::{baseDir}/introduction/getting-started.adoc[]
+include::introduction/introduction.adoc[]
+include::introduction/why-sdr.adoc[]
+include::introduction/requirements.adoc[]
+include::introduction/getting-started.adoc[]
 :leveloffset: -1
 
 [[reference]]
 = Reference Documentation
 
 :leveloffset: +1
-include::{baseDir}/reference/introduction.adoc[]
-include::{baseDir}/reference/redis.adoc[]
+include::reference/introduction.adoc[]
+include::reference/redis.adoc[]
 :leveloffset: -1
 
 [[appendixes]]
@@ -38,6 +38,6 @@ include::{baseDir}/reference/redis.adoc[]
 
 :numbered!:
 :leveloffset: +1
-include::{baseDir}/appendix/introduction.adoc[]
-include::{baseDir}/appendix/appendix-schema.adoc[]
-include::{baseDir}/appendix/appendix-command-reference.adoc[]
+include::appendix/introduction.adoc[]
+include::appendix/appendix-schema.adoc[]
+include::appendix/appendix-command-reference.adoc[]