Rename task classes for consistenty with gradle counterparts

--HG--
rename : clojuresque-base/src/main/groovy/clojuresque/tasks/ClojureCompileTask.groovy => clojuresque-base/src/main/groovy/clojuresque/tasks/ClojureCompile.groovy
rename : clojuresque-base/src/main/groovy/clojuresque/tasks/ClojureDocTask.groovy => clojuresque-base/src/main/groovy/clojuresque/tasks/ClojureDoc.groovy
rename : clojuresque-base/src/main/groovy/clojuresque/tasks/ClojureTestTask.groovy => clojuresque-base/src/main/groovy/clojuresque/tasks/ClojureTest.groovy
Bump plugin dependency to v1.2.0
Bump common dependency to v1.1.0-SNAPSHOT
Switch compile task to options map
Switch doc task to options map
Switch test task to option maps
Set some defaults for tesk task options
Code and import clean up for task classes
Simplify codox integration
Bump common dependency to v1.1.0
Bump version to v1.6.0
Added tag v1.6.0 for changeset 2b4d6a08ae18