remove steps from query11 impl
rewrite query 12 without steps. partially rewrite query14 without steps, but tests not all passing yet
Merge branch '2.0-maint' into 2.1-maint
rewrite query 12 without steps. partially rewrite query14 without steps, but tests not all passing yet
remove steps from pom.xml
remove old unused documentation files from project
Merge branch '2.0-maint' into 2.1-maint

Conflicts:
	data-import/src/main/java/com/ldbc/snb/interactive/neo4j/interactive/LdbcTraversers.java
	data-import/src/main/java/com/ldbc/snb/interactive/neo4j/interactive/embedded_api_steps/Neo4jQuery12EmbeddedApi.java
	data-import/src/main/java/com/ldbc/snb/interactive/neo4j/interactive/embedded_api_steps/Neo4jQuery13EmbeddedApi.java
	data-import/src/main/java/com/ldbc/snb/interactive/neo4j/interactive/embedded_api_steps/Neo4jQuery14EmbeddedApi.java