Merge pull request #90 from wenshao/master

DruidDataSource初始化检查是去掉无用的maxIdle检测

src/main/java/com/alibaba/druid/pool/DruidDataSource.java

@@ -343,10 +343,6 @@ public class DruidDataSource extends DruidAbstractDataSource implements DruidDat
                 throw new IllegalArgumentException("illegal maxActive " + maxActive);
             }
 
-            if (maxIdle <= 0 || maxIdle < minIdle) {
-                throw new IllegalArgumentException("illegal maxPoolSize");
-            }
-
             if (getInitialSize() > maxActive) {
                 throw new IllegalArgumentException("illegal initialSize " + this.initialSize + ", maxActieve "
                                                    + maxActive);

src/test/java/com/alibaba/druid/bvt/pool/ParamTest.java

@@ -103,13 +103,7 @@ public class ParamTest extends TestCase {
 
         Assert.assertEquals(1, dataSource.getProxyFilters().size());
 
-        error = null;
-        try {
-            dataSource.getConnection();
-        } catch (Exception ex) {
-            error = ex;
-        }
-        Assert.assertNotNull(error);
+        dataSource.getConnection();
 
         dataSource.close();
     }