Setup checkstyle and coverage

Added plugin management pieces for code coverage and
checkstyle for future development.

Added entries to gitignore for idea and checkstyle.

Removed redundant version.

Change-Id: Idca740a42b562e95319d5c196c1c3d5a0e16f214
Issue-ID: POLICY-1136
Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>
diff --git a/.gitignore b/.gitignore
index 236c0b3..8ae43ea 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 .DS_Store
+.checkstyle
 .project
 .settings
 .classpath
@@ -7,3 +8,4 @@
 target
 .metadata/
 /bin/
+.idea