Merge "Code improvement - Pending sonar issues"

diff --cc framework/src/main/java/org/onap/cli/fw/output/print/OnapCommandPrint.java
Simple merge

diff --cc framework/src/main/java/org/onap/cli/fw/store/OnapCommandExecutionStore.java
Simple merge

diff --cc framework/src/main/java/org/onap/cli/fw/utils/OnapCommandDiscoveryUtils.java
Simple merge

diff --cc framework/src/test/java/org/onap/cli/fw/schema/ValidateSchemaTest.java
Simple merge

diff --cc framework/src/test/java/org/onap/cli/fw/utils/OnapCommandUtilsTest.java
Simple merge

diff --cc main/src/main/java/org/onap/cli/main/OnapCli.java
Simple merge