Auto merge of #1013 - micbou:2.7.1, r=puremourning

[READY] Increase Python 2 requirement to 2.7.1

See PR ycm-core/YouCompleteMe#2998. The same issue occurs when running the tests on Python 2.7.0.

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README.md

@@ -41,7 +41,7 @@ tests][test-setup].**
 
 This is all for Ubuntu Linux. Details on getting ycmd running on other OS's can
 be found in [YCM's instructions][ycm-install] (ignore the Vim-specific parts).
-Note that **ycmd runs on Python 2.7 and 3.4+.**
+Note that **ycmd runs on Python 2.7.1+ and 3.4+.**
 
 First, install the minimal dependencies:
 ```

build.py

@@ -24,11 +24,11 @@
 import hashlib
 import tempfile
 
-PY_MAJOR, PY_MINOR = sys.version_info[ 0 : 2 ]
-if not ( ( PY_MAJOR == 2 and PY_MINOR == 7 ) or
+PY_MAJOR, PY_MINOR, PY_PATCH = sys.version_info[ 0 : 3 ]
+if not ( ( PY_MAJOR == 2 and PY_MINOR == 7 and PY_PATCH >= 1 ) or
          ( PY_MAJOR == 3 and PY_MINOR >= 4 ) or
          PY_MAJOR > 3 ):
-  sys.exit( 'ycmd requires Python 2.7 or >= 3.4; '
+  sys.exit( 'ycmd requires Python >= 2.7.1 or >= 3.4; '
             'your version of Python is ' + sys.version )
 
 DIR_OF_THIS_SCRIPT = p.dirname( p.abspath( __file__ ) )