add instructions to install; fix doc build for python 3

Author: Shoshana Berleant

doc/sphinxext/numpy_ext/numpydoc.py

@@ -40,7 +40,7 @@ def mangle_docstrings(app, what, name, obj, options, lines,
 
     if what == 'module':
         # Strip top title
-        title_re = re.compile(ur'^\s*[#*=]{4,}\n[a-z0-9 -]+\n[#*=]{4,}\s*',
+        title_re = re.compile(r'^\s*[#*=]{4,}\n[a-z0-9 -]+\n[#*=]{4,}\s*',
                               re.I | re.S)
         lines[:] = title_re.sub(u'', u"\n".join(lines)).split(u"\n")
     else:
@@ -61,7 +61,7 @@ def mangle_docstrings(app, what, name, obj, options, lines,
     references = []
     for line in lines:
         line = line.strip()
-        m = re.match(ur'^.. \[([a-z0-9_.-])\]', line, re.I)
+        m = re.match(r'^.. \[([a-z0-9_.-])\]', line, re.I)
         if m:
             references.append(m.group(1))
 
@@ -70,7 +70,7 @@ def mangle_docstrings(app, what, name, obj, options, lines,
     if references:
         for i, line in enumerate(lines):
             for r in references:
-                if re.match(ur'^\d+$', r):
+                if re.match(r'^\d+$', r):
                     new_r = u"R%d" % (reference_offset[0] + int(r))
                 else:
                     new_r = u"%s%d" % (r, reference_offset[0])

doc/users/install.rst

@@ -21,6 +21,10 @@ To check out the latest development version::
 
         git clone git://github.com/nipy/nipype.git
 
+or::
+
+        git clone https://github.com/nipy/nipype.git
+
 Install
 -------