gcc/g++ version bugfix (2.2.1 release) (#365)

* improve gcc/g++ version detection
* closes #364

README.md

@@ -80,6 +80,10 @@ To understand how to use PHOEBE, please consult the [tutorials, scripts and manu
 CHANGELOG
 ----------
 
+### 2.2.1 - g++/gcc version check hotfix
+
+* Improves the detection of g++/gcc version to compare against requirements during setup.
+
 ### 2.2.0 - extinction feature release
 
 * Add support for interstellar extinction/reddening.

phoebe/__init__.py

@@ -14,7 +14,7 @@
 
 """
 
-__version__ = '2.2.0'
+__version__ = '2.2.1'
 
 import os as _os
 import sys as _sys

setup.py

@@ -41,9 +41,9 @@ def removefile(f):
 
 def find_version_gcc(s):
   if len(s):
-     return s.split()[-2]
-  else:
-     return ''
+    for i in s.split():
+      if re.search("^\d+\.\d+\.*\d*$",i): return i
+  return ''
 
 
 def __find_version_clang(s):
@@ -322,12 +322,12 @@ def _env_variable_bool(key, default):
         return False
 
 setup (name = 'phoebe',
-       version = '2.2.0',
-       description = 'PHOEBE 2.2.0',
+       version = '2.2.1',
+       description = 'PHOEBE 2.2.1',
        author = 'PHOEBE development team',
        author_email = '[email protected]',
        url = 'http://github.com/phoebe-project/phoebe2',
-       download_url = 'https://github.com/phoebe-project/phoebe2/tarball/2.2.0',
+       download_url = 'https://github.com/phoebe-project/phoebe2/tarball/2.2.1',
        packages = ['phoebe', 'phoebe.parameters', 'phoebe.frontend', 'phoebe.constraints', 'phoebe.dynamics', 'phoebe.distortions', 'phoebe.algorithms', 'phoebe.atmospheres', 'phoebe.backend', 'phoebe.utils', 'phoebe.dependencies', 'phoebe.dependencies.autofig', 'phoebe.dependencies.nparray', 'phoebe.dependencies.unitsiau2015'],
        install_requires=['numpy>=1.10','scipy>=0.17','astropy>=1.0,<3.0' if sys.version_info[0] < 3 else 'astropy>=1.0', 'pytest'],
        package_data={'phoebe.atmospheres':['tables/wd/*', 'tables/passbands/*'],