v2.0.0-M4

release

cut 2.0.0-M1

prep for release

* fixed: symbol at point is inconsistent for java methods

As stated in #1494

* unified format for java method names

* generalize arrowType naming for java atPoint methods

* Fix debugger issues 2.0 (#1530)

* Fixed debugger issues

    - Fixed field location retrieval to use parent (no static field support)

    - Added missing caching calls

    - Fixed array bug (pattern matching was not appropriate)

    - Fixed potential thread bug (same pattern matching problem as array)

    - Updated dummy vm to use Scala profile

    - Updated start of new VMs to use Scala profile

* Added temporary enablement of snapshot repo

* Updated debug test to account for using the Scala profile for field names

* Bump Scala debugger version to 1.1.0-M2

* Correct logging with exceptions (#1528)

* plug a semaphore leak (#1532)

* plug a semaphore leak

* fixup! plug a semaphore leak

* generated file headers

* fall back to TypeMirror instead of Element on toTypeInfo methods

Stable release 1.0.0

backport filewatcher fixes from master