Fix CompositeModuleRegistryTests
Fix build.gradle in sync w/ settings.gradle
Add commons-io to shell testCompile
Apply to file modules
Restore MailCommand tests
Apply to http source
Apply to syslog*
Semi-Apply on reactor-syslog

Can't go thru with it, but prepared work
Downgraded scope to runtime for reactor stuff
Add Intellij support
Revert "Restore MailCommand tests"

This reverts commit e288bea0ef6c80e6372d5cb67ded71aa2aa0aee4.