Added new ponies

Added new ponies, see issue #8

v1.3

• The app can now be build with Gradle 1.9
• removed 'font' and 'interactions.ini' from ponies-list
• removed 'cloud_bounce' behaviour from Derpy Hooves
• removed 'truck' behaviour from Applejack
• Snowflake is now called Snowflake/Horse Power/Roid Rage

v1.2.2

1.2.2:

• Changed the name 'Horse Power' has been change to 'Snowflake'
• Added Credits section
• Added Apache v2 Licence to application