Added IAP and Admob abstract classes
Added background
Added floating numbers on present click
added clicks to the average counter
changed click stuff a bit
added snow particle system, may need changing slightly when tested with generators
fixed a bug in floating numbers
Added android plugin folder
Tidied up and fixed android project
Added plugin interface for c#->java
Added a scrollable panel with buttons in for use as a shop, buttons still need to actually do something
Finally got admob working
Added temp meta files
Merged matts branch into master