symbol textures

create an array of all symbol textures so no duplicate textures are
created
practic blockstate scor increment compositeeffect
BugFixes

1. Fixed 50 Mb RAM usage. Reduced to 7Mb.
2. Enhanced Font infrastructure
3. Fixed TrainingMode timer bug
4. Fixed PracticeMode hi-score bug
fixed learning mode back bug
tutorial text
Merge branch 'dev-kadir' of https://github.com/kankoli/blox into dev-kadir

Conflicts:
	setgame/src/com/blox/setgame/model/Card.java
tutorial <- images
Merge branch 'dev-kadir' of https://github.com/kankoli/blox into dev-kadir
icons
seçili kart çerçevesi
fixed font sizes and some texts
Merge remote-tracking branch 'origin/dev-kadir' into dev