fix issue #1280 Composite.execute cannot be called multiple times in the same mojit
update where the new queue is created and check data meta for each call
add more unit tests
update unit tests and add entry to HISTORY
Updated the instructions for running Arrow tests.
Updated package.json files.
add unit test to check running composite.execute parallelly
Fixed typo.
Merge pull request #1305 from zhouyaoji/code_exs-dashboard_app_fix

[doc/exs] Updated the instructions for running Arrow tests and updated package.json files in dashboard apps.
Fixed steps for creating Arrow test.
Merge remote-tracking branch 'upstream/develop' into comexecute

Conflicts:
	HISTORY.md
Merge pull request #1300 from lzhan/comexecute

fix issue #1280 Composite.execute cannot be called multiple times in the...