enhance: set methods for dialog box and generate javadoc for it

javadoc/allclasses-index.html

javadoc/allpackages-index.html

javadoc/constant-values.html

javadoc/deprecated-list.html

...arljgu.client/edu/ntnu/idatt2001/carljgu/battle/Army.html

...ljgu.client/edu/ntnu/idatt2001/carljgu/battle/Battle.html

...t/edu/ntnu/idatt2001/carljgu/battle/SimulationAttack.html

...jgu.client/edu/ntnu/idatt2001/carljgu/battle/Terrain.html

...nt/edu/ntnu/idatt2001/carljgu/battle/package-summary.html

...lient/edu/ntnu/idatt2001/carljgu/battle/package-tree.html

....client/edu/ntnu/idatt2001/carljgu/battle/units/Unit.html

.../edu/ntnu/idatt2001/carljgu/battle/units/UnitFactory.html

...ent/edu/ntnu/idatt2001/carljgu/battle/units/UnitType.html

.../ntnu/idatt2001/carljgu/battle/units/package-summary.html

...edu/ntnu/idatt2001/carljgu/battle/units/package-tree.html

...att2001/carljgu/battle/units/specialized/CavalryUnit.html

...t2001/carljgu/battle/units/specialized/CommanderUnit.html

...tt2001/carljgu/battle/units/specialized/InfantryUnit.html

...datt2001/carljgu/battle/units/specialized/RangedUnit.html

...001/carljgu/battle/units/specialized/package-summary.html