ACCUMULO-1271 Make version derived from build (no more sed to update version numbers) to reduce steps in releasing; configure necessary properties; update assemble/build.sh; remove warnings from tarball assembly; obsolete assemble/build.sh invocation of rat plugin (ACCUMULO-1181); use classifiers for assemble artifacts and move assembly descriptor to subdirectory; make rpm plugin do gpg signing with gpg-agent; fix license info for rpm; add license/notice files to rpm; remove custom file output names for deb since they're attached to the build anyway; updated documentation



git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/1.5@1477338 13f79535-47bb-0310-9956-ffa450edef68