Save Application data in NetzobRaw rather than String in XML.

Change-Id: I0937e0c2aac5c2fd0e64d85086198d1dc65d8c5e
Fix a bug which prevented to import from Trace Manager in current project.

Change-Id: I4aa2fbcde0de3e6e48b0f2a94d60aa9cd0f2e4a0
Edit the serialization of applicative data in XML.

The value of the applicative data is now included in a sub <value> field.

Change-Id: I9f99713ecf820d500c16a0b59c2b782a3def1660
Add a getApplicativeData() method in the Project class.

This method returns a list of all the applicative data in all the sessions included
in the vocabulary of the project.

Change-Id: I78f207f525c806eb0343942a89e20a1cb7077def
Upgrade the environmental search to include applicative data in the search process.

In addition to the search of env dependencies, this MVC also searches for provided
applicative data (if available).

Change-Id: Ic4826affb86234641e2b094b838a0b856317ee67