win installation for PyCharm Edu updated:

- added choice python version 2/3
 - download the chosen version if it is absent

python/edu/build/desktop.ini

@@ -0,0 +1,100 @@
+[Settings]
+NumFields=6
+
+[Field 1]
+Type=checkbox
+Left=5
+Right=100
+Top=10
+Bottom=20
+State=0
+
+[Field 2]
+Type=checkbox
+Left=120
+Right=-1
+Top=10
+Bottom=20
+State=0
+
+[Field 3]
+Type=GroupBox
+Left=1
+Right=-1
+Top=35
+Bottom=65
+Text=Choice Python version
+
+[Field 4]
+Type=RadioButton
+Left=5
+Right=45
+Top=50
+Bottom=60
+State=1
+Text=Python 2
+
+[Field 5]
+Type=RadioButton
+Left=95
+Right=135
+Top=50
+Bottom=60
+State=0
+Text=Python 3
+
+[Field 6]
+Type=GroupBox
+Left=1
+Right=-1
+Top=75
+Bottom=105
+Text=Create Associations
+
+[Field 7]
+Type=checkbox
+Left=5
+Right=45
+Top=90
+Bottom=100
+State=0
+
+[Field 8]
+Type=checkbox
+Left=50
+Right=90
+Top=90
+Bottom=100
+State=0
+
+[Field 9]
+Type=checkbox
+Left=95
+Right=135
+Top=90
+Bottom=100
+State=0
+
+[Field 10]
+Type=checkbox
+Left=140
+Right=180
+Top=90
+Bottom=100
+State=0
+
+[Field 11]
+Type=checkbox
+Left=185
+Right=225
+Top=90
+Bottom=100
+State=0
+
+[Field 12]
+Type=checkbox
+Left=230
+Right=270
+Top=90
+Bottom=100
+State=0