Minor refactoring on method names and docs

Author: robincher

README.md

@@ -213,7 +213,10 @@ try {
 
 ```
 
-##### Preparing Authorization Token :
+##### Preparing HTTP Signature Token :
+
+Append this signature token into the Authorization header of the HTTP request
+
 Params:
 * realm
 * authPrefix - Authorization Header scheme prefix , i.e 'prefix_appId'
@@ -241,7 +244,7 @@ String nonce = null;
 String timestamp = null;
 
 try {
-    String signature = ApiSigning.getToken("http://api.test.io/l2", "<<authPrefix>>", "get", url, appId, null, null, password, alias, certFileName, nonce, timestamp);
+    String signature = ApiSigning.getSignatureToken("http://api.test.io/l2", "<<authPrefix>>", "get", url, appId, null, null, password, alias, certFileName, nonce, timestamp);
 } catch (ApiUtilException e) {
     e.printStackTrace();
 }

src/main/java/com/api/util/ApiSecurity/ApiSigning.java

@@ -472,7 +472,7 @@ public static String getBaseString(String authPrefix
      * @return
      * @throws ApiUtilException
      */
-    public static String getToken(
+    public static String getSignatureToken(
             String realm
             , String authPrefix
             , String httpMethod

src/test/java/AuthorizationTokenTest.java

@@ -55,7 +55,7 @@ public void Test_L1_Basic_Test() throws ApiUtilException
 	{
 		String expectedToken = "Apex_l1_ig realm=\"http://example.api.test/token\", apex_l1_ig_timestamp=\"1502199514462\", apex_l1_ig_nonce=\"-5816789581922453013\", apex_l1_ig_app_id=\"example-4Swyn7qwKeO32EXdH1dKTeIQ\", apex_l1_ig_signature_method=\"HMACSHA256\", apex_l1_ig_signature=\"DoARux+dvq/A2ioQfRybInAQ4Lt4DTAI6DrDJRx7zcs=\", apex_l1_ig_version=\"1.0\"";
 
-		String authorizationToken = ApiSigning.getToken(
+		String authorizationToken = ApiSigning.getSignatureToken(
             realm
 			, authPrefixL1
 			, httpMethod
@@ -78,7 +78,7 @@ public void Test_L1_Basic_Test() throws ApiUtilException
 	public void Test_L2_Basic_Test() throws ApiUtilException
 	{
 		String expectedToken = "Apex_l2_ig realm=\"http://example.api.test/token\", apex_l2_ig_timestamp=\"1502199514462\", apex_l2_ig_nonce=\"-5816789581922453013\", apex_l2_ig_app_id=\"example-4Swyn7qwKeO32EXdH1dKTeIQ\", apex_l2_ig_signature_method=\"SHA256withRSA\", apex_l2_ig_signature=\"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\", apex_l2_ig_version=\"1.0\"";
-		String authorizationToken = ApiSigning.getToken(
+		String authorizationToken = ApiSigning.getSignatureToken(
 			realm
 			, authPrefixL2
 			, httpMethod
@@ -103,7 +103,7 @@ public void Test_L2_Wrong_Password_Test() throws ApiUtilException
 		String expectedMessage = "keystore password was incorrect";
 
 		try {
-			ApiSigning.getToken(
+			ApiSigning.getSignatureToken(
 				realm
 				, authPrefixL2
 				, httpMethod
@@ -133,7 +133,7 @@ public void Test_L2_Not_Supported_Cert_Test() throws ApiUtilException
 
 		try {
 
-	        ApiSigning.getToken(
+	        ApiSigning.getSignatureToken(
 				realm
 				, authPrefixL2
 				, httpMethod
@@ -163,7 +163,7 @@ public void Test_L2_Invalid_FileName_Test() throws ApiUtilException
 
 		try {
 
-	        ApiSigning.getToken(
+	        ApiSigning.getSignatureToken(
 				realm
 				, authPrefixL2
 				, httpMethod