Added GetDefineSymbols implementation and added splitter options for commas, space and tabs
Added missing System reference
Rework fsautocomplete with many changes

* Use agent from fsautocomplete
* Switch to 1-based line numbers as preferred in new FCS
* Errors are now printed asynchronously as a "push" update rather than polling
* Update to version 0.9
Merge pull request #407 from rneatherway/shared-compileragent2

Rework fsautocomplete with many changes
Print results as they become available
Merge pull request #397 from 7sharp9/FSharpCompilerParametersExtras

Added GetDefineSymbols implementation and added splitter options for commas, space and tabs
Merge pull request #409 from guillermooo/st-tests

Print results as they become available
Allow to probe for best FSharp version installed
Update MD binding to use best F# available
Merge pull request #410 from rneatherway/issue404

Fix Issue404
Merge pull request #411 from fsharp/master

merge changes from master