Local keyword semantics

1. Semantic implementation of local variables
2. Testcases for local
Fix scoping in functions

1. Fix variable scoping in member functions
2. Added testcases for local vars in member functions
3. Added negative testcases for local keyword
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into localkw_semantics
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into localkw_semantics
Added associative update tests for local vars

1. Added associative update tests for local vars
2. Move imperative tests from assoc microfeature ->imperative
microfeature
Fix testcase syntax error
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into localkw_semantics
Associate node Height property with node border height.
Change distribution logic.

Distribute with even spacing if there is enough space.
Stack elements side-by-side or vertically if there is not.
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into localkw_semantics
Revert change to testing file
Check for global var values
Type system testcase - status update
Update DS class testcase status

1. Move cyclic tests to update
2. Create and link defect
Fix import file handler
Added defect ID to error string
Fix bad merge
Merge pull request #1991 from junmendoza/testcasefix

Type system testcase - status update
Debugger, expression interpreter, tests and framework cleanup
Merge pull request #1993 from aparajit-pratap/dynamoCurrent

Debugger, expression interpreter, tests and framework cleanup