Update TA security message
Finalise support of secured other-message

Update TA security message

f_getCertificateSignerInfo
f_askForCertificateChain (TODO)

Adding test unit to build a encode/decode a secured beacon

put mw_geoNwSecPdu to LibItsGeoNetworking_Templates

Updated TC_ITS_S_CAM_01

Uses inbound TTCN-3 function instead of 'null' comparison

GnSecuredPacket should be refine to support GN Security

Fixed ignoring of payload in BEACONs due to ethernet testing.

Added templates for BAA test cases.
Minor changes.

TC_GEONW_PON_GUC_BV_10, TC_GEONW_PON_GBC_BV_20, TC_GEONW_PON_GAC_BV_12,
TC_GEONW_PON_BCA_BV_01.

Reduced warnings.
Minor changes.