Add lib-string.ftl for functions and macros for string manipulation. Add two methods, one for camelcasing and one for uncamelcasing.

webapp/web/templates/freemarker/lib/lib-string.ftl

@@ -0,0 +1,17 @@
+<#-- $This file is distributed under the terms of the license in /doc/license.txt$ -->
+
+<#-- Macros and functions for string manipulation -->
+
+<#function camelCase str>
+    <#return str?capitalize?replace(" ", "")?uncap_first>
+</#function>
+
+<#function unCamelCase str>
+    <#local str = str?replace("([a-z])([A-Z])", "$1 $2", "r")>
+    <#local words = str?split(" ")>
+    <#local out = "">
+    <#list words as word>
+        <#local out = out + " " + word?uncap_first>
+    </#list>
+    <#return out?trim>
+</#function>