Basic structure for analysis.
Merge branch 'master' of https://github.com/rostgaard/02242.git

Conflicts:
	analysis_tool/src/Main.java
	analysis_tool/src/syntaxtree/statement/ReadArray.java
	analysis_tool/src/syntaxtree/statement/Skip.java
	analysis_tool/src/syntaxtree/statement/While.java
Merge branch 'master' of https://github.com/rostgaard/02242