dev-python: merge most python2 and python3 recipes.

* adjust recipes depending on these, ie python_dateutil=>dateutil_python.
* switch architectures to any for relevant python recipes.
* bump versions for retext, argh, beautifulsoup, cssselect, dateutil,
docutils, fonttools, html2text, httplib2, lxml, mechanize, mock, paramiko,
pillow, pip, pygments, requests, twisted, urllib3, zope_interface.

haiku-apps/orphilia_dropbox/orphilia_dropbox-1.recipe

@@ -8,7 +8,7 @@ code and is not required for installation."
 HOMEPAGE="https://github.com/ksiazkowicz/orphilia-dropbox"
 COPYRIGHT="2011-2014 Maciej Janiszewski"
 LICENSE="MIT"
-REVISION="1"
+REVISION="2"
 SOURCE_URI="git+https://github.com/ksiazkowicz/orphilia-dropbox.git#f692f26793a48e2742f12c20767f0f22a9ff39af"
 
 ARCHITECTURES="x86_gcc2 ?x86 ?x86_64"
@@ -31,13 +31,13 @@ BUILD_PREREQUIRES="
 
 BUILD_REQUIRES="
 	haiku_devel
-	python_setuptools
+	setuptools_python
 	"
 REQUIRES="
-	pathtools
-	python_setuptools
-	urllib3
-	watchdog
+	pathtools_python
+	setuptools_python
+	urllib3_python
+	watchdog_python
 	cmd:python
 	"