Added a convenience __init__.py to use QDarkStyleSheet as a python module

Makes the work easier for the python user: load_stylesheet takes care of loading the stylesheet and imports the correct rc module depending on the bindings used)

__init__.py

@@ -0,0 +1,37 @@
+"""
+Initialise the QDarkStyleSheet module when used with python.
+
+This modules provides a function to transparently load the stylesheets
+with the correct rc file.
+"""
+import os
+
+
+def load_stylesheet(pyside=True):
+    """
+    Loads the stylesheet. Takes care of importing the rc module.
+
+    :param pyside: True to load the pyside rc file, False to load the PyQt rc file
+
+    :return the stylesheet string
+    """
+    # Smart import of the rc file
+    if pyside:
+        try:
+            import style_pyside_rc
+        except ImportError:
+            style_pyside_rc = None
+            print "Failed to load PySide rc file, stylesheets won't use any icons"
+    else:
+        try:
+            import style_pyqt_rc
+        except ImportError:
+            style_pyqt_rc = None
+            print "Failed to load PyQt4 rc file, stylesheets won't use any icons"
+
+    # Load the stylesheet content
+    ret_val = ""
+    filename = os.path.join(os.path.dirname(os.path.realpath(__file__)), "style.qss")
+    with open(os.path.join(__file__, filename)) as stylesheet:
+        ret_val = stylesheet.read()
+    return ret_val