add no null elements array validation
add utility method for translating md obj array to uri array
add report public constructor with report definition vararg
change method name returning a single result to getObjUri
refactor Obj as interface
add getObj() method returning Obj instance by restrictions
add: Attribute.getDefaultDisplayForm()
update readme
Merge pull request #33 from martiner/rep

Add MetadataService.getObj() method returning Obj instance by restrictions
[maven-release-plugin] prepare release gooddata-java-0.9.0
[maven-release-plugin] prepare for next development iteration
update version to 0.9.0
update readme
add gooddata constructor with port and make constructor with protocol pacakge protected

close: #47
update readme and example
fix README - Warehouse and Processes example
add polling to ReportService.exportReport()

close: #46
use hamcrest asserts
remove pointless verifications
replace junit with testng