add the continuous deployment of context parser

.travis.yml

@@ -2,3 +2,21 @@ language: node_js
 node_js:
 - '0.11'
 - '0.10'
+notifications:
+  email:
+    recipients:
+    - [email protected]
+  on_success: change
+  on_failure: always
+after_success:
+- test $(cat $TRAVIS_BUILD_DIR/package.json | grep version | awk '{print $2}' | sed
+  's/"//g' | sed 's/,//g' | awk '{print "v"$1}' ) = $TRAVIS_TAG && export VALID_VERSION=true
+deploy:
+  provider: npm
+  email: [email protected]
+  api_key:
+    secure: LlhF8dO3Plt023CjeQRumw9ZgBNsE2KWanHrRY/SnMoFxWgcVYEbzX3Ze5CtoRvtm8CH+3z71L11BaL52GN0qm+0zX93h4JXTYETloEzX2pdJpiBXATzEKcscLC5bfsarh2I/UlkSPQP2b+mkAi3RJu/rjF4CBjbpwka90aF1k0=
+  on:
+    condition: $VALID_VERSION = true
+    tags: true
+    branch: master