Added etc/feature.properties file.
Updated xmlschema version.
Added axis2-transport dependencies.
Added transport-commons module to maven build.
Added added transport commons feature.
Fixed spelling mistake in artifactId
Updated org.apache.ws.commons.schema:XmlSchema version to released version, 1.4.7.wso2v3
Merge branch 'add-transport-commons-feature' of https://github.com/GayashanNA/carbon-commons into GayashanNA-add-transport-commons-feature
Merge branch 'GayashanNA-add-transport-commons-feature'