use datasource connection(buildtime-conf.xml) instead of globals (build.properties) while performing datadump task
Providing tests for proposal #804
Merge pull request #710 from MaksSlesarenko/master

fix for datadump task to use datasource's credentials instead of build.properties
changed fucntion to function
Merge pull request #831 from stood/add_yield_reserved_keyword

add 'yield' reserved keyword
Merge pull request #805 from Gamesh/patch-2

Providing tests for proposal #804
fix bug with boolean value because no return FALSE value