Change property key to use2way from use-2way

Fixes gh-23

Author: kazuki43zoo

src/main/asciidoc/user-guide.adoc

@@ -759,7 +759,7 @@ This configuration is optional. The non 2-way SQL can be use on the 2-way SQL mo
 [source,properties]
 .How to configure using configuration properties file(src/main/resources/mybatis-thymeleaf.properties)
 ----
-use-2way = false # <1>
+use2way = false # <1>
 ----
 
 or
@@ -771,7 +771,7 @@ configuration.getLanguageRegistry().register(new ThymeleafLanguageDriver(
         ThymeleafLanguageDriverConfig.newInstance(c -> c.setUse2Way(false)))); // <2>
 ----
 
-<1> Set the `use-2way` to `false`
+<1> Set the `use2way` to `false`
 <2> Set the `use2way` property to `false`
 
 
@@ -1084,7 +1084,7 @@ The mybatis-thymeleaf provides following properties for customizing configuratio
 
 4+|*General configuration*
 
-|`use-2way`
+|`use2way`
 |Whether use the 2-way SQL feature
 |`Boolean`
 |`true` (enable the 2-way SQL feature)
@@ -1179,7 +1179,7 @@ The mybatis-thymeleaf provides following properties for customizing configuratio
 [source,properties]
 .src/main/resources/mybatis-thymeleaf.properties
 ----
-use-2way = false
+use2way = false
 customizer = com.example.MyTemplateEngineCustomizer
 template-file.cache-enabled = true
 template-file.cache-ttl = 3600000

src/main/java/org/mybatis/scripting/thymeleaf/ThymeleafLanguageDriverConfig.java

@@ -588,7 +588,7 @@ public void setLikeAdditionalEscapeTargetChars(Character... likeAdditionalEscape
    * <th colspan="3">General configuration</th>
    * </tr>
    * <tr>
-   * <td>use-2way</td>
+   * <td>use2way</td>
    * <td>Whether use the 2-way SQL</td>
    * <td>{@code true}</td>
    * </tr>

src/test/java/org/mybatis/scripting/thymeleaf/ThymeleafLanguageDriverTest.java

@@ -299,7 +299,7 @@ void testCustomWithBuilderUsingCustomProperties() {
     System.setProperty("mybatis-thymeleaf.config.file", "mybatis-thymeleaf-empty.properties");
     Configuration configuration = new Configuration();
     Properties customProperties = new Properties();
-    customProperties.setProperty("use-2way", "false");
+    customProperties.setProperty("use2way", "false");
     customProperties.setProperty("customizer", "org.mybatis.scripting.thymeleaf.CustomTemplateEngineCustomizer");
     customProperties.setProperty("template-file.cache-enabled", "false");
     customProperties.setProperty("template-file.cache-ttl", "30000");

src/test/resources/mybatis-thymeleaf-custom.properties

@@ -14,7 +14,7 @@
 #    limitations under the License.
 #
 
-use-2way=false
+use2way=false
 customizer=org.mybatis.scripting.thymeleaf.CustomTemplateEngineCustomizer
 template-file.cache-enabled=false
 template-file.cache-ttl=30000