Merge branch 'dbmanager'
#91 resolve mark test
Merge branch 'master' into pattern_refactor
Initial Refactor of Command class and concrete
Reorganise imports in Command
Fixed CommandTest and ParserTest
Refactored files into logical packages

All Command related objects are packaged into com.rubberduck.command
while others are packaged into com.rubberduck
Merge branch 'pattern_refactor'
Packaged different files into their components

Now all classes are packaged into their respective component in
RubberDuck rather than just Command for consistency purpose.
Merge branch 'pattern_refactor'