Update build/src/main/resources/docs/schema/jboss-as-config_1_0.xsd

I believe this property is actually jboss.home.dir
Fixed second property as well.
Update build/src/main/resources/docs/schema/jboss-as-config_1_1.xsd

I believe this property is actually jboss.home.dir
Added to second jboss.home reference as well.
Update build/src/main/resources/docs/schema/jboss-as-config_1_3.xsd

I believe this should be jboss.home.dir
Update build/src/main/resources/docs/schema/jboss-as-config_1_4.xsd

I believe this should be jboss.home.dir