Bump twitter4j version
UserInfoFrameTab: show ProfileBanner as background (issue #30)

Why <span></span> is required... I can't understand......
ImageCacher: open connection before really fetch contents

TEMP: always cache into disk.
move jp.syuriken.snsw.twclient.Image* into jp.syuriken.snsw.twclient.net
ImageCacher: remove debug code
twitter4j: update snapshot
Merge branch 'turenar/spdy' into turenar/iss30
UserInfoFrameTab: show profile-header async
ImageCacher: fix not cached in memory
Merge branch 'turenar/spdy' into turenar/iss30
UserInfoFrameTab: fix NPE thrown (issue #30)
UserInfoFrameTab: add profile header image viewer (fixes #30)
Merge branch 'turenar/spdy'

Conflicts:
	elnetw-core/src/main/java/jp/syuriken/snsw/twclient/filter/FilterEditFrame.java
	elnetw-core/src/main/java/jp/syuriken/snsw/twclient/internal/NullUser.java
Merge branch 'turenar/iss30'
Update changelog