add jsp
use jsp for templates
Merge branch 'master' of github.com:laur-craciun/google-sendgrid-java

Conflicts:
	GoogleSendgridJava/src/googleSendgridJava/GoogleSendgridJavaServlet.java
	GoogleSendgridJava/src/googleSendgridJava/Sendgrid.java
	GoogleSendgridJava/war/success.jsp