Add logging to detect nullpointers if plan variable is not initialized (

OpenTOSCA#3)

Add logging to detect nullpointers if plan variable is not initialized (

OpenTOSCA#3)

Add logging to detect nullpointers if plan variable is not initialized (

OpenTOSCA#3)

Add logging to detect nullpointers if plan variable is not initialized (

OpenTOSCA#3)

Merge pull request #1 from OpenTOSCA/feature/bodylessPUTPOST

PUT and POST methods can now have an empty body defined

Add Xalan serializer JAR to WAR lib to solve class resolution issue.

[buildr] Cutting release APACHE_ODE_1.3.7

[buildr] Cutting release APACHE_ODE_1.3.6