Adding travis support for web-services.
Updated config for Travis build
Merge pull request #20 from fashiontec/Story43

Story43
Fixed broken image API tests, update for express

Please run 'npm update' to get express 4.7+!
Merge pull request #21 from fashiontec/fix-image-tests

Fixed broken image API tests, update for express
Adding all the required fields for measurement record.
Making changes for the HDF GET request.
Adding a new file for creating XML for HDF.
Just few small changes in the image test.
Creating the test cases for HDF feature.
Adding new modules used in HDF feature.
Few small changes in the names of variable.
Removing an unnecessary function call.
Correcting indentation at few places.
Correcting a variable name to camelCase.
Correcting small identation mistake.
Few changes as per the feedback on pull request.
Few identation changes.
Reverting "Just few small changes in the image test." Because there is pending pull request to imageTest and this changes might create conflicts.

This reverts commit 3675890c489deb3b633d944b5f77f5a9d62a8b4f.
Change in the response messages to support express update.