Merge pull request #31 from fotto/master

new SoftwareSubClasses (for Class=Administration)
covers issues 28+29
Update CHANGELOG.md
Update MARSSchema2013.next.xsd
Merge pull request #32 from ffluegel/patch-2

add SoftwareConfiguration StopScript
Update CHANGELOG.md
Update CHANGELOG.md
new release 4.1.5
Merge branch 'master' of https://github.com/arago/MARS-Schema
docs for AutomationStateType updated
additional attributes for SoftwareConfiguration:
Host, MinProcesses, MaxProcesses, no_old_proc_check