Slight changes to codecheck utility

 - Style fixes
 - Supress some linting warnings
 - Add project root to path

Change-Id: Ic533b939704194752df9f41a77a8e2264b6fa76f
diff --git a/TestON/bin/codecheck b/TestON/bin/codecheck
index e3769da..51b9649 100755
--- a/TestON/bin/codecheck
+++ b/TestON/bin/codecheck
@@ -30,16 +30,16 @@
     autopep8 --in-place -a -a $file --ignore=$EXCLUDE,$P8IGN
 elif [ -z "$2" ] || [ "$2" = "--reason" ] || [ "$2" = "--relaxed" ]; then
     echo "Running pyflakes..."
-    #Pyflakes is a source checker. It doesn't run the code so it is safer than other programs
-    #ignoring some errors due to TestON
-    pyflakes $1 | grep -v "undefined name 'main'" | grep -v "undefined name 'utilities'"
+    # Pyflakes is a source checker. It doesn't run the code so it is safer than other programs
+    # ignoring some errors due to TestON
+    pyflakes $1 | grep -v "undefined name 'main'" | grep -v "undefined name 'utilities'" | grep -v "unable to detect undefined names"
     echo "Running pylint..."
-    #Pylint is a static code checker
-    #ignoring some errors due to TestON
+    # Pylint is a static code checker
+    # ignoring some errors due to TestON
     pylint -E --rcfile=$(dirname "${BASH_SOURCE}")/.pylint $1 | grep -v "Undefined variable 'main'" | grep -v "Undefined variable 'utilities'"
 
     echo "Running PEP8..."
-    #PEP8 is a the most common python coding style standard
+    # PEP8 is a the most common python coding style standard
     if [ "$2" = "--reason" ]; then
         pep8 --repeat --show-source --show-pep8 --ignore=$P8IGN $1
     elif [ "$2" = "--relaxed" ]; then