Reorganize Travis stuff; add hook to re-generate demo.pwntools.com on…

… pushes to stable (#708)

.travis.yml

@@ -13,11 +13,9 @@ cache:
         - /home/travis/virtualenv/python2.7.9/bin/
 python:
   - "2.7"
-after_success:
-  - coveralls
 before_install:
-  - source .travis_install.sh
-  - source .travis_ssh_setup.sh
+  - source travis/install.sh
+  - source travis/ssh_setup.sh
 install:
   - pip install -e .
   - pip install -r docs/requirements.txt
@@ -28,3 +26,6 @@ before_script:
   - PWNLIB_NOTERM=1 python -c 'from pwn import *; print pwnlib.term.term_mode'
 script:
   - PWNLIB_NOTERM=1 coverage run -m sphinx -b doctest docs/source docs/build/doctest
+after_success:
+  - coveralls
+  - source travis/update_demo.sh

travis/update_demo.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+
+if [ "$TRAVIS_BRANCH" = "stable" ] && [ ! -z "$TRY_KEY" ]; then
+    # Start the SSH agent
+    eval "$(ssh-agent -s)"
+
+    # Add the keys
+    echo "$TRY_KEY" > ~/.ssh/try_key
+    chmod 600         ~/.ssh/try_key
+    ssh-add           ~/.ssh/try_key
+
+    # Update!
+    ssh root@demo.pwntools.com -- 'docker/update'
+fi