logging clean-up

- moved most constants to separate file
- sorted and cleaned-up imports
- moved logging setup to separate file

cps/about.py

@@ -21,29 +21,30 @@
 #  You should have received a copy of the GNU General Public License
 #  along with this program. If not, see <http://www.gnu.org/licenses/>.
 
-from flask import Blueprint
-from flask_login import login_required
-from . import db
+from __future__ import division, print_function, unicode_literals
 import sys
-from .uploader import get_versions
-from babel import __version__ as babelVersion
-from sqlalchemy import __version__ as sqlalchemyVersion
-from flask_principal import __version__ as flask_principalVersion
-from iso639 import __version__ as iso639Version
-from pytz import __version__ as pytzVersion
-from flask import __version__ as flaskVersion
-from werkzeug import __version__ as werkzeugVersion
-from jinja2 import __version__  as jinja2Version
-from .converter import versioncheck
-from flask_babel import gettext as _
-from cps import Server
 import requests
-from .web import render_title_template
 
+from flask import Blueprint
+from flask import __version__ as flaskVersion
+from flask_babel import gettext as _
+from flask_principal import __version__ as flask_principalVersion
+from flask_login import login_required
 try:
     from flask_login import __version__ as flask_loginVersion
 except ImportError:
     from flask_login.__about__ import __version__ as flask_loginVersion
+from werkzeug import __version__ as werkzeugVersion
+
+from babel import __version__ as babelVersion
+from jinja2 import __version__  as jinja2Version
+from pytz import __version__ as pytzVersion
+from sqlalchemy import __version__ as sqlalchemyVersion
+
+from . import db, converter, Server, uploader
+from .isoLanguages import __version__ as iso639Version
+from .web import render_title_template
+
 
 about = Blueprint('about', __name__)
 
@@ -55,7 +56,7 @@ def stats():
     authors = db.session.query(db.Authors).count()
     categorys = db.session.query(db.Tags).count()
     series = db.session.query(db.Series).count()
-    versions = get_versions()
+    versions = uploader.get_versions()
     versions['Babel'] = 'v' + babelVersion
     versions['Sqlalchemy'] = 'v' + sqlalchemyVersion
     versions['Werkzeug'] = 'v' + werkzeugVersion
@@ -69,7 +70,7 @@ def stats():
     versions['Requests'] = 'v' + requests.__version__
     versions['pySqlite'] = 'v' + db.engine.dialect.dbapi.version
     versions['Sqlite'] = 'v' + db.engine.dialect.dbapi.sqlite_version
-    versions.update(versioncheck())
+    versions.update(converter.versioncheck())
     versions.update(Server.getNameVersion())
     versions['Python'] = sys.version
     return render_title_template('stats.html', bookcounter=counter, authorcounter=authors, versions=versions,