HPCC-9083 Document ECLWatch Tech Preview

Fix HPCC-9083 Document ECLWatch Tech Preview
Documenting changes to ECLWatch for Technical
Preview (for upcoming interface changes in 4.0)

Signed-off-by: g-pan <greg.panagiotatos@lexisnexis.com>
Merge pull request #4231 from g-pan/H9083-TechPreView

HPCC-9083 Document ECLWatch Tech Preview

Reviewed-By: Gordon Smith <gordon.smith@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>
HPCC-9101 Allow daliadmin import to have a qualifier on the tail

Signed-off-by: Gavin Halliday <gavin.halliday@lexisnexis.com>
HPCC-9101 Correct typo

Signed-off-by: Gavin Halliday <gavin.halliday@lexisnexis.com>
Merge branch 'issue9101' into candidate-4.0.0

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>
HPCC-9140 Remove ERROR with no parameters.

Signed-off-by: Gavin Halliday <gavin.halliday@lexisnexis.com>
Merge pull request #4238 from ghalliday/issue9140

HPCC-9140 Remove ERROR with no parameters.

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>
HPCC-9072 Fix issue with null act and multiple outputs

Thor would hit assert(outLink), if it introduced a nullAct
in place of a splitter. The assert was hit when one
of the pulling activities requested an output >0 from the nullAct.

Signed-off-by: Jake Smith <jake.smith@lexisnexis.com>
Merge branch 'hpcc-9072' into candidate-3.10.8

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>
Merge remote-tracking branch 'origin/candidate-3.10.8' into candidate-3.10.x

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>
Merge remote-tracking branch 'origin/candidate-3.10.x' into candidate-4.0.0

Conflicts:
	thorlcr/graph/thgraphslave.cpp

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>
Merge remote-tracking branch 'origin/candidate-4.0.0' into closedown-4.0.x

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>
Merge remote-tracking branch 'origin/closedown-4.0.x'

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>