adds a landing page which gives an overview of the tool

- landing page shows two images of google calendar and tizen watch
  and how the calendars corelate
- routes redesigned to fit this landing page
- redesign of coloring in css

server/routes.py

@@ -26,27 +26,39 @@ from database.models import User, Calendar, Device, GoogleToken
 os.environ['OAUTHLIB_INSECURE_TRANSPORT'] = '1'
 
 @app.route("/")
-def account():
-    return flask.redirect('account')
+def startpage():
+    return flask.render_template('startpage.html')
+
+    
 
 @app.route("/privacy")
 def privacy():
     return flask.render_template('privacy.html')
 
-@app.route("/account")
-def index():
+@app.route("/login")
+def login():
     if current_user.is_authenticated:
+        return redirect(url_for('account'))
+    return flask.render_template('login.html')
+
+
+@app.route("/account")
+def account():
+    if current_user.is_authenticated:
+        calendars = []
         gCalendars, colors, token = google.fetchCalendars()
-        current_user.google_token.token = token
-        db.session.commit()
-        backend.updateCalendars(current_user, gCalendars, colors)
+        if token != None:
+            current_user.google_token.token = token
+            db.session.commit()
+        calendars.extend(gCalendars)
+        backend.updateCalendars(current_user, calendars, colors)
         
         return (flask.render_template('account.html',
             username = current_user.username, email = current_user.email, profile_img=current_user.profile_pic
             )
         )
     else:
-        return flask.render_template('login.html')
+        return redirect(url_for("login"))
 
 @app.route("/view")
 def view():