Updated build.gradle for Maven Local and Central
Merge pull request #11 from jbayer/MavenCentralToGradle

Updated build.gradle for Maven Local and Central
SHL-100,101,102
Add author tag for David Winterfeldt
SHL-103 Create simple way to test the execution of shell commands
SHL-103 Create simple way to test the execution of shell commands.  Add missing files from previous commit
SHL-73 - Typo in reference docs: CliOptions is CliOption
SHL-71 - Reference docs do not mention PluginProvider interface
Remove FINE logging of what NamedProviders are being used
Add JUnit to sample build files
SHL-70 Add a command to clear the console
Move some of the built-in commands out of AbstractShell so they can more easily be excluded via filters in classpath scanning
SHL-69 - Remove docs for "version" command that is not available
SHL-68 - Make help for built-in commands consistent
SHL-82 Improve detection of apple terminal
Remove AbstractShellTest as it didn't test anything other than calling for system properties
Fix failing tests
SHL92 - Decoupling the script command from AbstractShell
Thanks to trumpetx
https://github.com/trumpetx/spring-shell/commit/c0abfa045477a259c290a77cfc1ba14649c534c9
SHL-69 - Extract "version" command from AbstractShell
SHL-104 - Remove compiler warnings

Thanks Hu Xi - https://github.com/huxi/spring-shell/commit/890b41bb040e978d9aa5c10754d3ef0798250eb1
SHL-105 - Add option to run helloworld example as a gradle run task
Thanks Hu Xi - https://github.com/huxi/spring-shell/commit/a898bbc88067aff72e4e431507c81a713cbe272f
SHL-103 - Create simple way to test the execution of shell commands
Fix version number and repo location used in sample application for 1.1.0.M1
Gradle: Fix version number and repo location used in sample application for 1.1.0.M1
Release version 1.1.0.M1