Exclude compiler spec from bin/ci. Use 'bin/ci -C' and ...

run bin/bin spec/compiler manually when making compiler changes
until new compiler is in.

bin/ci

@@ -96,7 +96,7 @@ end
 
 # only these directories are included because other directories have specs
 # that cause compilation to fail. ideally, spec/**/*_spec.rb would be run.
-patterns = ['spec/compiler', 'spec/core', 'spec/language', 'spec/mspec', 'spec/parser'] if patterns.empty?
+patterns = ['spec/core', 'spec/language', 'spec/mspec', 'spec/parser'] if patterns.empty?
 files = []
 patterns.each do |item|
   stat = File.stat(File.expand_path(item))