release notes for 5.8
[maven-release-plugin] prepare release checkstyle-5.8
changes for connection to git
This reverts commit 282bbfa6d5e349845393e2b6d2e3a23cec4d9fb3.
Revert "changes for connection to git"

This reverts commit efb188d49181b643866e03c3107c371a398da5d0.
[maven-release-plugin] prepare release checkstyle-5.8
[maven-release-plugin] prepare for next development iteration
changes for correct deploy to sourceforge
bump of org.sonatype.oss parent to version 7
former developers were marked in team