Migrated Rake test annotation_category_test to RSpec.
Delete old rake test file..
Changed should to expectation.
Fix #1655
Fix #1655 and test
Fix spelling
Change @initial_size expectation
Change @initial_size calculation
Merge pull request #1787 from ChrisKdon/spec-tests

Migrated Rake test annotation_category_test to RSpec.
Merge pull request #1793 from YusiFan/issue-1655

Issue 1655
Merge branch 'master' of git://github.com/MarkUsProject/Markus