update demo to v2.1.1

Author: shangpeixu

Examples.Library/build.gradle

@@ -26,6 +26,6 @@ targetCompatibility = 1.8
 
 dependencies {
     compile fileTree(dir: 'lib', include: ['*.jar'])
-    compile('com.grapecity.documents:gcexcel:2.1.0')
+    compile('com.grapecity.documents:gcexcel:2.1.1')
 }
 

SpringBootDemo/SpringBoot+Angular2/build.gradle

@@ -38,7 +38,7 @@ dependencies {
 	}
 
 	//dependencies of GcExcel
-	compile('com.grapecity.documents:gcexcel:2.0.1')
+	compile('com.grapecity.documents:gcexcel:2.1.1')
 }
 
 task clientBuild(type: GradleBuild){

SpringBootDemo/SpringBoot+React/build.gradle

@@ -37,7 +37,7 @@ dependencies {
 	}
 
 	//dependencies of GcExcel
-	compile('com.grapecity.documents:gcexcel:2.1.0')
+	compile('com.grapecity.documents:gcexcel:2.1.1')
 	//compile fileTree(dir: 'libs', include: ['*.jar'])
 }