started set shape
refactored model, added to stampsprite
ImagePalette
added ability to print out user defined instructions (need () still
Merge branch 'master' of https://github.com/srwareham/SLogo

Conflicts:
	src/control/Environment.java
	src/instructions/user_defined/Repeat.java
	src/resources/Portuguese.properties
	src/resources/instruction_index.txt
	src/simulation/Model.java
	src/simulation/Turtle.java
now can print instructions (bracket syntax a little better), and variables
fixed merge conflicts in envionment
fixed broken master, added st/ht/showingp instructions
set shape
Merge branch 'master' of https://github.com/srwareham/SLogo
added picture
working toString() for instructions
shape
Merge branch 'master' of https://github.com/srwareham/SLogo
unicorn
fixed small bracket errors and checkstyled
merged with master