Fix typos in comments (#419)

safeeyes/plugins/donotdisturb/plugin.py

@@ -18,7 +18,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 """
 Skip Fullscreen plugin skips the break if the active window is fullscreen.
-NOTE: Do not remove the unused import 'GdkX11' becuase it is required in Ubuntu 14.04
+NOTE: Do not remove the unused import 'GdkX11' because it is required in Ubuntu 14.04
 """
 
 import os

safeeyes/plugins/mediacontrol/plugin.py

@@ -17,7 +17,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 """
-Media Control plugin lets users to pause currntly playing media player from the break screen.
+Media Control plugin lets users to pause currently playing media player from the break screen.
 """
 
 import logging

safeeyes/safeeyes.py

@@ -220,7 +220,7 @@ class SafeEyes:
             # RPC server was running but now disabled
             self.__stop_rpc_server()
 
-        # Restart the core and intialize the components
+        # Restart the core and initialize the components
         self.config = config
         self.safe_eyes_core.initialize(config)
         self.break_screen.initialize(config)