add checking of kspace styles

matches = re.findall(":doc:`(.+) <.+>`",text,re.MULTILINE)

for c in command.keys():

    if not c in matches:

        if not command[c]['removed']:

            print("Command %s is missing in Commands_all.rst" % c)

f = os.path.join(doc, 'Commands_pair.rst')

fp = open(f)

text = fp.read()

            print("Improper style entry %s is missing or" % c,

                  "incomplete in Commands_bond.rst")

f = os.path.join(doc, 'Commands_kspace.rst')

fp = open(f)

text = fp.read()

fp.close()

matches = re.findall(":doc:`(.+) <kspace_style>`",text,re.MULTILINE)

for c in kspace.keys():

    if not add_suffix(kspace,c) in matches:

        if not kspace[c]['removed']:

            print("KSpace style entry %s is missing or" % c,

                  "incomplete in Commands_kspace.rst")

            print(kspace[c])