Add python/ipython snippets for org-mode (#193)

* Add python/ipython snippets for org-mode

* Simplify temp filename creation in org-mode/ipython

Author: daviderestivo

org-mode/ipython

@@ -0,0 +1,7 @@
+# -*- mode: snippet -*-
+# name: ipython
+# key: ipy_
+# --
+#+BEGIN_SRC ipython :session ${1:session01} :file ${2:$$(concat (make-temp-name "./ipython-") ".png")} :exports ${3:both}
+$0
+#+END_SRC

org-mode/python

@@ -0,0 +1,7 @@
+# -*- mode: snippet -*-
+# name: python
+# key: py_
+# --
+#+BEGIN_SRC python
+$0
+#+END_SRC