#63 - Added support for dynamic properties

Added tracking/creating inovcations for dynamic properties
The contribution based on the Tobias Krantzer's blog post - https://tobias-kraentzer.de/2013/05/15/dynamic-properties-in-objective-c/ and code - https://github.com/anagromataf/DynamicProperties
Merge pull request #69 from emartynov/master

Added support for dynamic properties