authentication: pki: cleanup properties

prefix all with ssl, cleanup naming, remove unused getters.

rename: servletURL->getSessionUserGetSessionUserServletURL
expose: sslTrustStoreType
rename: trustStorePath->sslTrustStorePath
rename: trustStorePassword->sslTrrustStorePassword
rename: sslIgnoreCertErrors->sslInsecure
rename: sslIgnoreHostVerification->sslNoHostVerification

sslInsecure also triggers sslNoHostVerification.

Change-Id: I5ebc86f05b508a069e81639356d10477ee0a3acf
Signed-off-by: Alon Bar-Lev <alonbl@redhat.com>