Update library & Fixed last step icon will be cropped incorrectly

Signed-off-by: Fung Gwo <fython@163.com>

Author: fython

build.gradle

@@ -3,7 +3,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0'
+        classpath 'com.android.tools.build:gradle:3.0.1'
     }
 }
 
@@ -20,10 +20,10 @@ task clean(type: Delete) {
 }
 
 ext {
-    supportLibraryVersion = '27.0.0'
+    supportLibraryVersion = '27.1.0'
     minSdkVersion = 17
-    targetSdkVersion = 26
-    buildToolsVersion = "26.0.2"
-    versionCode = 5
-    versionName = '0.2.3'
+    targetSdkVersion = 27
+    buildToolsVersion = "27.0.2"
+    versionCode = 6
+    versionName = '0.2.4'
 }

library/src/main/java/moe/feng/common/stepperview/VerticalStepperItemView.java

@@ -170,7 +170,7 @@ public void onGlobalLayout() {
 	}
 
 	private void updateMarginBottom() {
-		mMarginBottomView.getLayoutParams().height = (!isLastStep ? (mState != STATE_SELECTED ? 28 : 36) : 0) * DP;
+		mMarginBottomView.getLayoutParams().height = (!isLastStep ? (mState != STATE_SELECTED ? 28 : 36) : 12) * DP;
 	}
 
 	/**