ASCII Doctor Warnings in Travis Build

[puneetbehl]

:docs:asciidoctorasciidoctor: WARNING: advancedConfiguration.adoc: line 16: section title out of sequence: expected level 1, got level 3
asciidoctor: WARNING: advancedConfiguration.adoc: line 35: section title out of sequence: expected level 1, got level 3
asciidoctor: WARNING: advancedConfiguration.adoc: line 66: section title out of sequence: expected level 1, got level 3
asciidoctor: WARNING: advancedConfiguration.adoc: line 97: section title out of sequence: expected level 1, got level 3
asciidoctor: WARNING: advancedConfiguration.adoc: line 112: section title out of sequence: expected level 1, got level 3
asciidoctor: WARNING: neo4jEnhancements.adoc: line 4: section title out of sequence: expected level 2, got level 3
asciidoctor: WARNING: neo4jEnhancements.adoc: line 19: section title out of sequence: expected level 2, got level 3
asciidoctor: WARNING: upgrading.adoc: line 3: section title out of sequence: expected level 1, got level 3
asciidoctor: WARNING: upgrading.adoc: line 34: section title out of sequence: expected level 1, got level 3
asciidoctor: WARNING: upgrading.adoc: line 45: section title out of sequence: expected level 1, got level 3
asciidoctor: WARNING: upgrading.adoc: line 53: section title out of sequence: expected level 1, got level 3
asciidoctor: WARNING: upgrading.adoc: line 72: section title out of sequence: expected level 1, got level 3
asciidoctor: WARNING: idGeneration.adoc: line 19: section title out of sequence: expected level 1, got level 3
asciidoctor: WARNING: idGeneration.adoc: line 52: section title out of sequence: expected level 1, got level 3
asciidoctor: WARNING: idGeneration.adoc: line 71: section title out of sequence: expected level 1, got level 3
asciidoctor: WARNING: idGeneration.adoc: line 83: section title out of sequence: expected level 1, got level 3
asciidoctor: WARNING: index.adoc: line 6: section title out of sequence: expected level 1, got level 2
asciidoctor: WARNING: index.adoc: line 10: section title out of sequence: expected level 1, got level 2
asciidoctor: WARNING: multiTenancyModes.adoc: line 3: section title out of sequence: expected level 1, got level 3
asciidoctor: WARNING: multiTenancyModes.adoc: line 36: section title out of sequence: expected level 1, got level 3
asciidoctor: WARNING: index.adoc: line 3: section title out of sequence: expected level 1, got level 2
asciidoctor: WARNING: index.adoc: line 7: section title out of sequence: expected level 1, got level 2
asciidoctor: WARNING: index.adoc: line 11: section title out of sequence: expected level 1, got level 2
asciidoctor: WARNING: neo4jEnhancements.adoc: line 4: section title out of sequence: expected level 1, got level 3
asciidoctor: WARNING: neo4jEnhancements.adoc: line 19: section title out of sequence: expected level 1, got level 3