Improve coverage of cadi-core

* Reduced complexity of HttpEpiTaf and LoginPageTafResp
* Applied ONAP's code style to HttpEpiTaf and LoginPageTafResp
* wrote JUnits for HttpEpiTaf and LoginPageTafResp

Issue-ID: AAF-225
Change-Id: I28059237e838d0276593d556d2e04fe3a7b852c6
Signed-off-by: IanHowell <ian.howell@att.com>
4 files changed