append 64bit OS selections.

Prevent shutil exceptions, closes kuri65536#58

* This is not issue only for python-for-android,
  This is caused in the fat (or vfat) file system on SDCard
  which can not accept chmod.
* In my experiment, python from rooted shell is not throw errors.

Update document.

Remove 1 variable because my old phone missing the ANDROID_STORAGE.

Disable ctype wchar symbols/ do not use symbolic links to shared libr…

…ary.

Enable zlib for python3.

* setup.py: patch for find boinc zlib.
* Setup.dist: enable zlibmodule.c
  from http://stackoverflow.com/questions/12344970 .

Remove PIC version because the latest SL4A can launch PIC and PIE in …

…ICS <.

- remove make program for PIC binary.
- packaging PIE binary only.
- updated to r20

Build python 2.7.9

Version changed

- Change openssl to 1.0.2a.
- Auto generate x86 binary.

build python{,-lib,_extras,_scripts}_r17.zip

- rewrite script by Makefile.
- revision changed to 17.
- rename 2.6 to 2.7.
- change to NDK r10.
- change files to python 2.7 (modules.mk).
- fix the patch for python 2.7.