ActiveJHttp is a valid class name. So, updated the value to 2 (default is 3)

Author: kcsurapaneni

buildscripts/checkstyle.xml

@@ -278,7 +278,7 @@
     -->
     <module name="AbbreviationAsWordInName">
       <property name="ignoreFinal" value="false"/>
-      <property name="allowedAbbreviationLength" value="0"/>
+      <property name="allowedAbbreviationLength" value="2"/>
       <property name="tokens"
         value="CLASS_DEF, INTERFACE_DEF, ENUM_DEF, ANNOTATION_DEF, ANNOTATION_FIELD_DEF,
                     PARAMETER_DEF, VARIABLE_DEF, METHOD_DEF, PATTERN_VARIABLE_DEF, RECORD_DEF,