Merge pull request #15 from dinhphamcao/master

Add images and Reading Test 2 to Application.
Save star while complete a part, add Total Question to Score table in DB
Merge pull request #16 from HungTDO/develop

Save star while complete a part, add Total Question to Score table in DB
Add splash and check Button's Status
Fix score refreshed when complete a part in List Part
Merge pull request #17 from HungTDO/develop

Fix score refreshed when complete a part in List Part
fix
Modify Igone property, and add Small star layout
Merge pull request #18 from HungTDO/develop

Modify Igone property, and add Small star layout
fix continue
Merge branch 'master' of github.com:HungTDO/SimpleToeic
add splash and button's status