Remove support for python 2.6

.travis.yml

@@ -1,6 +1,5 @@
 language: python
 python:
-  - "2.6"
   - "2.7"
   - "3.2"
   - "3.3"

setup.py

@@ -11,14 +11,21 @@ setup(
     name='imbox',
     version=version,
     description="Python IMAP for Human beings",
-    long_description= read('README.md'),
+    long_description=read('README.md'),
     keywords='email, IMAP, parsing emails',
     author='Martin Rusev',
     author_email='martinrusev@live.com',
     url='https://github.com/martinrusev/imbox',
     license='MIT',
     packages=['imbox'],
-    package_dir={'imbox':'imbox'},
+    package_dir={'imbox': 'imbox'},
     zip_safe=False,
-    install_requires=['six',],
+    install_requires=['six'],
+    classifiers=(
+        'Programming Language :: Python',
+        'Programming Language :: Python :: 2.7',
+        'Programming Language :: Python :: 3.2',
+        'Programming Language :: Python :: 3.3',
+        'Programming Language :: Python :: 3.4',
+    ),
 )