allow = in parameter values.

Author: Tatsuya Niwa

src/main/java/org/jenkinsci/plugins/parameterizedscheduler/ParameterParser.java

@@ -34,7 +34,7 @@ public Map<String, String> parse(String nameValuePairFormattedString) {
 			//the default splitter message in this scenario is not user friendly, so snip a trailing semicolon
 			clean = clean.substring(0, clean.length() - 1);
 		}
-		return Splitter.on(PAIR_SEPARATOR).trimResults().withKeyValueSeparator(NAME_VALUE_SEPARATOR).split(clean);
+		return Splitter.on(PAIR_SEPARATOR).trimResults().withKeyValueSeparator(Splitter.on(NAME_VALUE_SEPARATOR).limit(2)).split(clean);
 	}
 
 	public String checkSanity(String cronTabSpec, ParametersDefinitionProperty parametersDefinitionProperty) {

src/test/java/org/jenkinsci/plugins/parameterizedscheduler/ParameterParserTest.java

@@ -91,6 +91,15 @@ public void test_TwoParamsStringWithSpaceReturns_emptyMap() {
 		assertEquals(expected, testObject.parse("name2=value2; name=value"));
 	}
 
+	@Test
+	public void test_ValueContainsEquals_emptyMap() {
+		ParameterParser testObject = new ParameterParser();
+
+		HashMap<String, String> expected = new HashMap<String, String>();
+		expected.put("name", "value=contains=equals");
+		assertEquals(expected, testObject.parse("name=value=contains=equals"));
+	}
+
 	@Test
 	public void checkSanity_HappyPath() throws Exception {
 		ParameterParser testObject = new ParameterParser();