adds support to CPK Data Sources Listing in CDE Editor

CPK Endpoints are grouped by Plugin Id.

remarks:

- added new dependency, guava-14.0.1.jar (putted at
server/plugin/dev-lib/guava-14.0.1.jar)
Merge branch 'master' of https://github.com/webdetails/cde

Conflicts:

server/plugin/src/pt/webdetails/cdf/dd/DashboardDesignerContentGenerator
.java
Remove class test from exportButton.
adds CPK data sources to end of Data Sources Listing in CDE
and also:
 - code cleanup
 - removal of guava lib dependency
(dcleao: repeating reverted and broken commit by Rafael Gomes; fix follows)
[FIX] (Save Dashboard Empty .CDA) Saving a dashboard would result in an empty CDA file, due to dependency on cdaSettings, which was not being filled anymore.
remove a lost build.xml
Olap4jUtils: get a stack on connection failure
[FIX] (OlapUtils.executeOperation) Returned a status=true in the resulting json object even though the operation had failed, by returning null.
 This caused the client to throw a NPE, due to unfulfilled expectations.
Merge branch 'master' of github.com:webdetails/cde
Fixed external editor
Corrected some problems with the layout and the colors. Fixed a bug where clicking on one parameter to add it would close the wrong prompt
Corrected the place where the parameter is put - 'Arg' instead of 'value'
Merge branch 'master' into meta-model

Conflicts:
	client/css/master.css
	server/plugin/src/pt/webdetails/cdf/dd/AbstractDashboard.java
	server/plugin/src/pt/webdetails/cdf/dd/DashboardDesignerContentGenerator.java
	server/plugin/src/pt/webdetails/cdf/dd/DashboardFactory.java
	server/plugin/src/pt/webdetails/cdf/dd/render/components/ComponentManager.java
	server/plugin/src/pt/webdetails/cdf/dd/render/datasources/CdaDatasource.java
	server/plugin/src/pt/webdetails/cdf/dd/render/properties/DatasourceProperty.java