Use no-use-wheel to fix capstone installation

.travis.yml

@@ -1,8 +1,7 @@
-language: python
-python: 2.7
+language: bash
 sudo: required
-dist: xenial
+dist: trusty
 env:
 - PATH=$TRAVIS_BUILD_DIR/bin:$PATH
 install: (sudo apt-get update || true) && bin/manage-tools -s setup
-script: manage-tools -s test all
+script: VIRTUALENVWRAPPER_SCRIPT=/usr/share/virtualenvwrapper/virtualenvwrapper.sh manage-tools -s test all

capstone/install

@@ -1,4 +1,4 @@
 #!/bin/bash
 
-ctf-tools-pip install -U capstone
-ctf-tools-pip3 install -U capstone
+ctf-tools-pip install --no-use-wheel -U capstone
+ctf-tools-pip3 install --no-use-wheel -U capstone