upgraded shrinkwrap-resolver-depchain from 2.0.0-beta-2 to 2.0.0-beta-3, slf4j-simple from 1.6.4 to 1.7.2, romoved obsolete <version> tags, corrected assemblies
removed  comment
removed reduntant <version> tag
changed version number to 6.0.0-SNAPSHOT
removed obsolete version tag for org.apache.poi:poi
BZ-996966 Upgrade to jsp-api from 2.0 to 2.2 to avoid shadowing the el-api.
(cherry picked from commit f014f8c1f66a6b7a38de1d737e1240e213275c81)