setup: normalize casing of dependencies and formatting of constraints

The package name casing might seem random, but it is more correct than our own random casing.

These changes mainly come from:
pip freeze | sed -n '/==/s/==.*//gp' | while read a; do sed -i "s/$a/$a/i" setup.py dev_requirements.txt ; done
sed -i -e 's/>=/ >= /' -e 's/  >=/ >=/' -e 's/>=  />= /g' -e 's/,</, </' -e 's/</< /' -e 's/<  /< /g' -e 's/< =/<= /g' setup.py dev_requirements.txt

dev_requirements.txt

@@ -1,10 +1,10 b''
-babel >= 0.9.6, < 2.4
+Babel >= 0.9.6, < 2.4
 waitress >= 0.8.8, < 1.0
-pytest ~= 3.0, >= 3.3.0
+pytest >= 3.3.0, < 4
 pytest-runner
-pytest-sugar>=0.7.0
+pytest-sugar >= 0.7.0
 pytest-benchmark
 pytest-localserver
 mock
-sphinx
-webtest < 3
+Sphinx
+WebTest < 3

setup.py

@@ -35,39 +35,39 b" callback = lambda V: ('.'.join(map(str, "
 is_windows = __platform__ in ['Windows']
 
 requirements = [
-    "alembic>=0.8.0,<0.9",
-    "GearBox<1",
-    "waitress>=0.8.8,<1.0",
-    "webob>=1.7,<1.8.0", # TurboGears2 doesn't support 1.8.0
+    "alembic >= 0.8.0, < 0.9",
+    "gearbox < 1",
+    "waitress >= 0.8.8, < 1.0",
+    "WebOb >= 1.7, < 1.8.0", # TurboGears2 doesn't support 1.8.0
     "backlash >= 0.1.2, < 1.0.0",
     "TurboGears2 >= 2.3.10, < 3.0.0",
     "tgext.routes >= 0.2.0, < 1.0.0",
-    "Beaker>=1.7.0,<2",
-    "WebHelpers==1.3",
-    "formencode>=1.2.4,<=1.2.6",
-    "SQLAlchemy>=1.1,<1.2",
-    "Mako>=0.9.0,<=1.0.0",
-    "pygments>=1.5",
-    "whoosh>=2.5.0,<=2.5.7",
-    "celery>=3.1,<3.2",
-    "babel>=0.9.6,<2.4",
-    "python-dateutil>=1.5.0,<2.0.0",
-    "markdown==2.2.1",
-    "docutils>=0.8.1",
-    "URLObject==2.3.4",
-    "Routes==1.13",
-    "dulwich>=0.14.1",
-    "mercurial>=4.1.1,<4.8",
+    "Beaker >= 1.7.0, < 2",
+    "WebHelpers == 1.3",
+    "FormEncode >= 1.2.4, <= 1.2.6",
+    "SQLAlchemy >= 1.1, < 1.2",
+    "Mako >= 0.9.0, <= 1.0.0",
+    "Pygments >= 1.5",
+    "Whoosh >= 2.5.0, <= 2.5.7",
+    "celery >= 3.1, < 3.2",
+    "Babel >= 0.9.6, < 2.4",
+    "python-dateutil >= 1.5.0, < 2.0.0",
+    "Markdown == 2.2.1",
+    "docutils >= 0.8.1",
+    "URLObject == 2.3.4",
+    "Routes == 1.13",
+    "dulwich >= 0.14.1",
+    "mercurial >= 4.1.1, < 4.8",
     "decorator >= 3.3.2",
     "Paste >= 2.0.3, < 3.0",
 ]
 
 if sys.version_info < (2, 7):
-    requirements.append("importlib==1.0.1")
+    requirements.append("importlib == 1.0.1")
     requirements.append("argparse")
 
 if not is_windows:
-    requirements.append("bcrypt>=3.1.0")
+    requirements.append("bcrypt >= 3.1.0")
 
 dependency_links = [
 ]