restructuring in progress in myutil.intboolsolver2

src/main/java/myutil/intboolsovler2/IBSAttributeClass.java

...myutil/intboolsovler2/IBSClosedFormulaAttributeClass.java

...in/java/myutil/intboolsovler2/IBSClosedFormulaSolver.java

src/main/java/myutil/intboolsovler2/IBSExpr.java

src/main/java/myutil/intboolsovler2/IBSExpression.java

src/main/java/myutil/intboolsovler2/IBSParamComp.java

src/main/java/myutil/intboolsovler2/IBSParamCompState.java

src/main/java/myutil/intboolsovler2/IBSParamSpec.java

src/main/java/myutil/intboolsovler2/IBSParamSpecState.java

src/main/java/myutil/intboolsovler2/IBSParamState.java

...main/java/myutil/intboolsovler2/IBSStdAttributeClass.java

...til/intboolsovler2/IBSStdClosedFormulaAttributeClass.java

...java/myutil/intboolsovler2/IBSStdClosedFormulaSolver.java

src/main/java/myutil/intboolsovler2/IBSolver.java

src/main/java/myutil/intboolsovler2/package-info.java