Initialization

Signed-off-by: huangcd <huangcd.thu@gmail.com>
Merge branch 'master' of https://github.com/huangcd/IndoorLocalization_Android

# By Huang Chongdi
# Via Huang Chongdi
* 'master' of https://github.com/huangcd/IndoorLocalization_Android:
  Initial commit
Remve ignored files from repository

Signed-off-by: huangcd <huangcd.thu@gmail.com>