fix travis, loose requirements.txt

.travis.yml

@@ -4,6 +4,7 @@ python:
 # command to install dependencies, e.g. pip install -r requirements.txt --use-mirrors
 install: 
   - "pip install coveralls --use-mirrors"
+  - "pip install nose-cov --use-mirrors"
   - "pip install -r requirements.txt --use-mirrors"
   - "pip install --upgrade git+https://github.com/mitmproxy/netlib.git"
   - "pip install --upgrade git+https://github.com/mitmproxy/pathod.git"

requirements.txt

@@ -1,15 +1,15 @@
-Flask==0.9
-Jinja2==2.7
-MarkupSafe==0.18
-PIL==1.1.7
-Werkzeug==0.8.3
-lxml==3.2.1
-netlib==0.9.2
-nose==1.3.0
-pathod==0.9.2
-pyOpenSSL==0.13
-pyasn1==0.1.7
-requests==1.2.2
-urwid==1.1.1
-wsgiref==0.1.2
-jsbeautifier==1.4.0
+Flask>=0.9
+Jinja2>=2.7
+MarkupSafe>=0.18
+PIL>=1.1.7
+Werkzeug>=0.8.3
+lxml>=3.2.1
+netlib>=0.9.2
+nose>=1.3.0
+pathod>=0.9.2
+pyOpenSSL>=0.13
+pyasn1>=0.1.7
+requests>=1.2.2
+urwid>=1.1.1
+wsgiref>=0.1.2
+jsbeautifier>=1.4.0