Bug 1165616 - XLS decision table screen does not show up if the xls file does not meet the XLS-DT requirements

(cherry picked from commit 8b3dffe8612a0e660ead7257598ba3374cdfbcd8)

Conflicts:
	kie-wb-common-widgets/kie-wb-common-ui/src/main/java/org/kie/workbench/common/widgets/client/callbacks/CommandBuilder.java
	kie-wb-common-widgets/kie-wb-common-ui/src/main/java/org/kie/workbench/common/widgets/client/source/ViewSourceViewImpl.java
	kie-wb-common-widgets/kie-wb-common-ui/src/main/resources/org/kie/workbench/common/widgets/client/resources/i18n/CommonConstants_de.properties
	kie-wb-common-widgets/kie-wb-common-ui/src/main/resources/org/kie/workbench/common/widgets/client/resources/i18n/CommonConstants_fr.properties
	kie-wb-common-widgets/kie-wb-common-ui/src/main/resources/org/kie/workbench/common/widgets/client/resources/i18n/CommonConstants_ja.properties
	kie-wb-common-widgets/kie-wb-common-ui/src/main/resources/org/kie/workbench/common/widgets/client/resources/i18n/CommonConstants_pt_BR.properties
	kie-wb-common-widgets/kie-wb-common-ui/src/main/resources/org/kie/workbench/common/widgets/client/resources/i18n/CommonConstants_zh_CN.properties
	kie-wb-common-widgets/kie-wb-view-source-widget/pom.xml
Bug 1165616 - XLS decision table screen does not show up if the xls file does not meet the XLS-DT requirements