update rio version to 5.0-M3-S4
test-examples: boot examples with :artifactId syntax, add stderr to logs
add exerter-prv to distribution
install sorcer jars to local repo in
 win: boot.cmd, sorcer-boot.bat
 linux: move from rio to common-run
Lots of fixes in distribution, upgraded izpack to 5.0.0-rc1, deleted doc files for ant and maven
Minor fix in the Installer related to sigar
add a comment to ex*/logs/.gitignore so it's kept by idea
Fixed install paths in distro
distro: switch dependency on ex*-prv to ex*-cfg
fix ServiceStarter to allow running with :artifactId in the distro
fix concurrentModificationException in ProvisionManager, remove some warnings