MIFOS-2144 TemplateMergeService expandMapArrays + @Test arrayUsingIndex

TemplateMergeService clean up, incl. proper logging
TemplateMergeServiceTest fixed up, incl. fix compileLoanSummary() now()
TemplateMergeServiceTest arrayUsingLoop
TemplateMergeServiceTest simplified
Gradle License check exclude **/*.html for src/test/resources/template-expected.html

mifosng-provider/build.gradle

@@ -125,7 +125,7 @@ war {
 
 license {
     header rootProject.file('../LICENSE.md')
-    excludes(["**/*.mustache", "**/*.sql", "**/package-info.java", "**/keystore.jks"])
+    excludes(["**/*.html", "**/*.mustache", "**/*.sql", "**/package-info.java", "**/keystore.jks"])
     strictCheck true
 }