Issue #101:

  make MCFileTreeStSnapshotWriter>>writeDefinitions: more portable
  fix Squeak syntax error in MCFileTreeStCypressWriter>>fileNameMapFor:
(cherry picked from commit 045df382b86794c670740a244889b61fbead1881)
Merge branch 'master' into squeak4.3

(Issue #11, #92, #93, #101)

Conflicts:
	repository/MonticelloFileTree-Core.package/MCFileTreeStSnapshotWriter.class/instance/writeDefinitions..st
	repository/MonticelloFileTree-Core.package/MCFileTreeStSnapshotWriter.class/methodProperties.json