update dep. to latest versions except request

requirements/base.txt

@@ -1,10 +1,10 @@
 requests==2.5.3
-python-dateutil==2.2
-termcolor==1.1.0
-numpy==1.9.1
-rasterio==0.18
+python-dateutil>=2.4.2
+termcolor>=1.1.0
+numpy>=1.9.2
+rasterio>=0.21.0
 six==1.9.0
-scikit-image==0.10.1
-homura==0.1.0
-scipy==0.15.1
-boto==2.36.0
+scikit-image>=0.11.3
+homura>=0.1.1
+scipy>=0.15.1
+boto>=2.38.0

requirements/dev.txt

@@ -1,7 +1,7 @@
 -r base.txt
-pdoc==0.2.4
-nose==1.3.3
-coverage==3.7.1
-Sphinx==1.2.3
-wheel==0.23.0
-mock==1.0.1
+pdoc>=0.3.1
+nose>=1.3.6
+coverage>=3.7.1
+Sphinx>=1.3.1
+wheel>=0.24.0
+mock>=1.0.1

requirements/travis.txt

@@ -1,7 +1,5 @@
-rasterio==0.18
-homura==0.1.0
-termcolor==1.1.0
-python-coveralls
-mock==1.0.1
-boto==2.36.0
-
+rasterio>=0.21.0
+homura>=0.1.1
+termcolor>=1.1.0
+python-dateutil>=2.4.2
+mock>=1.0.1lboto>=2.38.0

setup.py

@@ -35,14 +35,15 @@ setup(
     platforms='Posix; MacOS X; Windows',
     install_requires=[
       'requests==2.5.3',
-      'python-dateutil==2.2',
-      'numpy==1.9.1',
-      'termcolor==1.1.0',
-      'rasterio==0.18',
+      'python-dateutil>=2.4.2',
+      'numpy>=1.9.2',
+      'termcolor>=1.1.0',
+      'rasterio>=0.21.0',
       'six==1.9.0',
-      'scipy==0.15.1',
-      'scikit-image==0.10.1',
-      'homura==0.1.0'
+      'scipy>=0.15.1',
+      'scikit-image>=0.11.3',
+      'homura>=0.1.1',
+      'boto>=2.38.0'
     ],
     test_suite='nose.collector',
     test_require=test_requirements