BMControllerInputProcessor : set unique name when detecting same devices

Skin : remove illegal offset value on prepare()

Merge branch 'master' into release0.5

Merge pull request exch-bms2#64 from excln/extend-skin-property

Extend skin property and refactor JudgeManager and KeyInputProcessor for extension

add batch, memo

update jbms-parser

Audio : fixes problem about null sound path

LR2 skin : add +-ms judge on DST_JUDGENOW

fix bugs about audio output, update jbms-parser and default skin image

Grade Result : modify gauge graph