Add formal parameters to WF & COORD XML

Formal parameters definition with inline default values

Enforcing formal parameters a comprehensive error checking can be done at submission time for EL expressions through out the workflow XML.

For example:

<code>

<workflow-app>
<parameters>

<!-- with no default value -->
<property>
<name>input</name>
</property>

<!-- with default value -->
<property>
<name>output</name>
<value>${input}.out</name>
</property>
...
</parameters>
...
</workflow-app>

</code>