Merge pull request #63 from emorency/OPAL-2077

OPAL-2290: Allow to update a category missing status when updating a variable
OPAL-2283 VectorSource is wrapped by the view as-well
Cache unsecured datasource in SudoValueTableReference
NoSuchDatasource + shiro Runtime exceptions handled in SudoValueTable
Code clean
OPAL-2267 - added namespace to attribute header
OPAL-2267
Merge pull request #64 from kazoompa/bug-OPAL-2267

OPAL-2267 - added namespace to attribute header
OPAL-2348 View.ViewVariableValueSource.asVector() commented while a solution is found.
Merge branch 'master' of https://github.com/obiba/magma
Set MagmaEngineExtension Serializable as we store them to XML in Opal
Add test for GlobalMethod $ (OPAL-2293)
Add test for GlobalMethod $ with recursive error (OPAL-2293)
Check circular dependencies (OPAL-2293)
Test circular dependencies (OPAL-2293)
Add test for $this (OPAL-2293)
Test $this circular dependencies (OPAL-2293)
Test $this circular dependencies (OPAL-2293)
Exclude YourKit wait method from MagmaJS methods
Fix failing tests