fix: Fixed Cannot find module 'any-promise' with npm 2.x

.travis.yml

@@ -23,7 +23,11 @@ before_install:
 - export DISPLAY=:99.0
 - /sbin/start-stop-daemon --start --quiet --pidfile /tmp/custom_xvfb_99.pid --make-pidfile
   --background --exec /usr/bin/Xvfb -- :99 -ac -screen 0 1280x1024x16 -extension RANDR
-- npm install -g npm
+# On 0.10, we want to test with the default version of npm, otherwise
+# upgrade to the latest.
+- if [[ ${TRAVIS_NODE_VERSION:0:1} -gt "0" ]]; then
+    npm install -g npm;
+  fi
 install:
 - npm install
 script:

README.md

@@ -12,21 +12,12 @@ Replacing the previous python tool for developing Firefox Add-ons, [cfx](https:/
 
 ## Install
 
-To install with npm, version 3.0.0 or higher is required.
-Make sure you are up to date:
-
-    npm install --global npm
-
-Here's how to
-[complete the npm upgrade](https://github.com/npm/npm/wiki/Troubleshooting#upgrading-on-windows)
-on Windows.
-
-Install the jpm module:
+Install the latest stable version from NPM:
 
     npm install --global jpm
 
-
-Install from GitHub to get the latest features or to work on jpm itself.
+Alternatively, you can install
+from the GitHub source to get the latest features or to work on jpm itself.
 Use [npm link](https://www.npmjs.org/doc/cli/npm-link.html) to add the `jpm` global to your path:
 
     git clone https://github.com/mozilla-jetpack/jpm.git

package.json

@@ -61,7 +61,7 @@
     "read": "1.0.7",
     "request": "2.67.0",
     "semver": "5.1.0",
-    "sign-addon": "0.1.1",
+    "sign-addon": "0.1.2",
     "tmp": "0.0.28",
     "when": "3.7.2",
     "xml2js": "0.4.16",