fix declaracao e comando.
Merge branch 'master' of github.com:Flamedragon/Compilador_Arthur.Rocha_Italo.Lessa

Conflicts:
	src/portugol.grammar
	src/portugol/analysis/Analysis.java
	src/portugol/analysis/AnalysisAdapter.java
	src/portugol/analysis/DepthFirstAdapter.java
	src/portugol/analysis/ReversedDepthFirstAdapter.java
	src/portugol/node/APrograma.java
	src/portugol/node/ASemicolonVar.java
adapting java expression to our comando.
adapting java way of treat expressions to portugol. Done equality, relational and math expression. Missing logical expressions.
tests of comando done until if.