fix : requirements.txt moved to root

Author: sepandhaghighi

.travis.yml

@@ -10,6 +10,6 @@ matrix:
         - os: linux
           python: 3.5
 install:
-  - pip install -r Notebooks/requirements.txt
+  - pip install -r requirements.txt
 script:
   - python Notebooks/test.py

appveyor.yml

@@ -26,7 +26,7 @@ init:
   - "ECHO %PYTHON% %PYTHON_VERSION% %PYTHON_ARCH%"
 
 install:
-  - "%PYTHON%/Scripts/pip.exe install -r Notebooks/requirements.txt"
+  - "%PYTHON%/Scripts/pip.exe install -r requirements.txt"
 
 test_script:
   - "%PYTHON%/python.exe Notebooks/test.py"