fix typo in stripping kernel args in nb and qt

closes  #885

IPython/frontend/html/notebook/notebookapp.py

@@ -223,7 +223,7 b' class IPythonNotebookApp(BaseIPythonApplication):'
                 swallow_next = False
                 continue
             if a.startswith('-'):
-                split = a.lstrip('-').split('=')[0]
+                split = a.lstrip('-').split('=')
                 alias = split[0]
                 if alias in notebook_aliases:
                     self.kernel_argv.remove(a)

IPython/frontend/qt/console/qtconsoleapp.py

@@ -342,7 +342,7 b' class IPythonQtConsoleApp(BaseIPythonApplication):'
                 swallow_next = False
                 continue
             if a.startswith('-'):
-                split = a.lstrip('-').split('=')[0]
+                split = a.lstrip('-').split('=')
                 alias = split[0]
                 if alias in qt_aliases:
                     self.kernel_argv.remove(a)