Enforces license header and the rest of configuration options. To enable it,
manually run SetupForDevelopment.sh and enable uncrustify during configure.
Also provided is default configuration file to be consulted when a new
option is needed. This file has explanations for all the options.

Also, some source code files have been modified to prevent ugly auto-reformatting.

Migrating to better maintained instance of CDash.

Download Data from Girder according to data key files contained in iMSTK/Data

This uses ExternalData.cmake (Requires CMake >= 2.8.11 release).

Add TEST: Add ExternalDataTest to verify downloaded files from Girder
* Be sure the data requiered for the test is not there (delete it)
* Add the imstk_add_data(${target} ${data_list}) function in CMakeList.txt
which calls ExternalData_expand_arguments().
* It downloads the data provided by the data_list (relative path from
iMSTK/Data)

Add DOC: Add documentation on ExternalData Management
* How to add data to iMSTK from Grider
* Update data
* Use data