#132 docs and incorporated some review comments
#196 moving getGetters, getSetters and getAlternativeTargetAccessors to Type, initializing them lazy.
#196 Formatting
#178 avoid unused imports in property-mappings
#156 correctly handle imports / fully qualified names for @TargetType class literals
#178 adapt javadoc of SimpleConversion and remove getters for exception types
#178 Applying formatting template; Some doc improvements