fixed weird code
don't use redundant method
Update core
Add gtag files to ignore
Update build status to jenkins-ci
Fix wrong build icon
Make debug info optional
Align members
Quickfix: Deal with 0 byte files
Link to issue
Merge branch 'master' into wip/ui-rewrite

Conflicts:
	gtorrent-core
	src/gtk/GtkFileTreeView.cpp
	src/gtk/GtkTorrentTreeView.cpp