[setup] - Add express csrf middleware and register a global variable for all templates rendered on the server called 'csrfToken'  #305
[boot] - Add the 'csrfToken' global variable as a DOM global variable #305
[request] - Add the 'X-CSRF-Token' request header on each request made to the server. Closes #305
[request] - Add setting the CSRF request header on 'end' function instead of on 'send' function #305
Merge branch 'development' into add/csrf-protection