Initial Cask support, tweaking .travis.yml

We will get travis-ci to work yet.

.travis.yml

@@ -14,9 +14,11 @@ before_install:
   # Download the makefile to emacs-travis.mk
   - wget 'https://raw.githubusercontent.com/flycheck/emacs-travis/master/emacs-travis.mk'
   # Install Emacs (according to $EMACS_VERSION)
-  - sudo make -f emacs-travis.mk install_emacs EMACSCONFFLAGS='--with-xml2 CFLAGS=-O2 CXXFLAGS=-O2'
+  - sudo make -f emacs-travis.mk install_emacs EMACSCONFFLAGS='CFLAGS=-O2 CXXFLAGS=-O2'
+  - sudo make -f emacs-travis.mk install_cask
 install:
   - pip install jupyter==$JUPYTER
+  - cask install
 env:
   - EMACS_VERSION=24.3 IPYCMD=jupyter JUPYTER=1.0.0
   - EMACS_VERSION=25.1-rc2 IPYCMD=jupyter JUPYTER=1.0.0

Cask

@@ -0,0 +1,10 @@
+(source gnu)
+(source melpa)
+
+(package-file "lisp/ein.el")
+(files ("lisp/*.el" :exclude ("lisp/zeroein.el")))
+
+(development
+ (depends-on "websocket")
+ (depends-on "request")
+ (depends-on "cl-generic"))