* add support for schema compare to specify source dacpac
* add build and dacpac produced from build
* check if dacpac exists
* add tests
* move exists check code to utils
* fix test run failing
* can compare scmp with databases
* show error if can't connect to db
* excludes now work
* fixes after rebase and other small fixes
* Addressing comments
* fixes after rebasing
* fix excludes not always being remembered correctly
* fix switched check
* addressing comments
* Schema compare cancel changes for ADS
* adding a missed change
* Merge from Master
* Updating SqltoolsService version
* trying stress with bigger runtime
* trying one more stress fix with unique operation ids
* refactoring test a bit to ensure stress run works
* Changes to 1. Enable Icon for Schema Compare model view editor 2. Set context setting in editable drop down 3. Fix a console error
* new icons
* Changes as per PR comments
* Adding PR comments
* Fixing a spelling mistake
* initial tests for schema compare
* Adding schema compare integration test
* Adding code to fix some build issues
* DB compare test
* Adding some CR comments
* db creation and deletion as per CR comments
