A libgdx log implemention of slfj4
Modification
1.replace the default sysio to Gdx log
2.set the default log level to debug
3.map trace and debug to Gdx.app.debug, info to Gdx.app.log, warn and error to Gdx.app.error
4.remove some useless code
A libgdx log implemention of slfj4
Modification
1.replace the default sysio to Gdx log
2.set the default log level to debug
3.map trace and debug to Gdx.app.debug, info to Gdx.app.log, warn and error to Gdx.app.error
4.remove some useless code