updating gitignore

Signed-off-by: Gnanakeethan Balasubramaniam <gnanakeethan@gmail.com>
removing compiled files.

Signed-off-by: Gnanakeethan Balasubramaniam <gnanakeethan@gmail.com>
adding individual ignore files.

Signed-off-by: Gnanakeethan Balasubramaniam <gnanakeethan@gmail.com>
removing unused files.

Signed-off-by: Gnanakeethan Balasubramaniam <gnanakeethan@gmail.com>
Merge branch 'origin/develop'

Signed-off-by: Gnanakeethan Balasubramaniam <gnanakeethan@gmail.com>