HPCC-10897 Use Dojo Build

Moved new ECl Watch files to esp/src
Removed pre-built third party libraries and added their sources as git submodules.
Added profiles and a build script.
Updated cmake files to perform the build at package time.

Fixes HPCC-10897
Fixes HPCC-10889

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>