[MECHDB] refactored/changed content provider action impl
Merge pull request #36 from fluxtah/master

[MECHDB] refactored content provider action generation
[MECHDB] Refactored migration code gen, migration stubs are no longer generated in favour of overriding migration creation in open helpers
[MECHDB] refactored actions to remove the need to have an action implementation per table/view in favor of DefaultContentProviderActions
oops, code gen error
[MECHDB] fixed issue with id parsing not working as expected in actions
Merge pull request #37 from fluxtah/master

migration and content provider action refactoring/redesign
added .launch to ignore
Merge pull request #38 from fluxtah/master

added unecessary launch configs to ignore
Fixed issue with nested expressions not serializing brackets
Merge pull request #39 from fluxtah/master

[MECHDB] Fixed serialization issue
Implement default value for preferences
New files for default value support for shared preferences
Merge branch 'master' of https://github.com/robotoworks/mechanoid
Added validation for preferences' default values