Add more language modules

CPD only languages:
- dart
- gherkin
- kotlin
- lua

PMD languages:
- html
- modelica

Author: adangel

net.sourceforge.pmd.eclipse.plugin/META-INF/MANIFEST.MF

@@ -34,6 +34,7 @@ Bundle-ClassPath: target/lib/antlr-runtime.jar,
  target/lib/jaxb-core.jar,
  target/lib/jaxb-impl.jar,
  target/lib/jcommander.jar,
+ target/lib/jsoup.jar,
  target/lib/jul-to-slf4j.jar,
  target/lib/lenses_2.13.jar,
  target/lib/logback-classic.jar,
@@ -44,13 +45,19 @@ Bundle-ClassPath: target/lib/antlr-runtime.jar,
  target/lib/pmd-core.jar,
  target/lib/pmd-cpp.jar,
  target/lib/pmd-cs.jar,
+ target/lib/pmd-dart.jar,
  target/lib/pmd-fortran.jar,
+ target/lib/pmd-gherkin.jar,
  target/lib/pmd-go.jar,
  target/lib/pmd-groovy.jar,
+ target/lib/pmd-html.jar,
  target/lib/pmd-java.jar,
  target/lib/pmd-javascript.jar,
  target/lib/pmd-jsp.jar,
+ target/lib/pmd-kotlin.jar,
+ target/lib/pmd-lua.jar,
  target/lib/pmd-matlab.jar,
+ target/lib/pmd-modelica.jar,
  target/lib/pmd-objectivec.jar,
  target/lib/pmd-perl.jar,
  target/lib/pmd-php.jar,