Add appcompat dep to base template

Fixed build error:
Error retrieving parent for item: No resource found that matches
 the given name '@style/Theme.AppCompat.Light'.

Change-Id: I96543336d591b0d15c4b5fba5b68d7993967cc28
diff --git a/templates/base/_MODULE_/build.gradle.ftl b/templates/base/_MODULE_/build.gradle.ftl
index c30f7ee..617861a 100644
--- a/templates/base/_MODULE_/build.gradle.ftl
+++ b/templates/base/_MODULE_/build.gradle.ftl
@@ -38,14 +38,17 @@
 <#if !sample.auto_add_support_lib?has_content || sample.auto_add_support_lib == "true">
   <#if sample.minSdk?matches(r'^\d+$') && sample.minSdk?number < 7>
     compile "com.android.support:support-v4:23.0.0"
+    compile "com.android.support:appcompat-v7:23.0.0"
   <#elseif sample.minSdk?matches(r'^\d+$') && sample.minSdk?number < 13>
     compile "com.android.support:support-v4:23.0.0"
     compile "com.android.support:gridlayout-v7:23.0.0"
     compile "com.android.support:cardview-v7:23.0.0"
+    compile "com.android.support:appcompat-v7:23.0.0"
   <#else>
     compile "com.android.support:support-v4:23.0.0"
     compile "com.android.support:support-v13:23.0.0"
     compile "com.android.support:cardview-v7:23.0.0"
+    compile "com.android.support:appcompat-v7:23.0.0"
   </#if>
 </#if>
 <#list sample.dependency as dep>