Added findFilesByMetadataWeb()
Merge pull request #1428 from atsareg/fix-v6r7

FC: allow pagination in the Web browser
v6r7p24 notes
CHNAGE: in getCredentials() - failure to contact CS is not fatal
Merge pull request #1431 from atsareg/fix-v6r7

X509Chain.getCredentials() - failure to contact CS is not fatal
v6r7p25
Conflicts resolved after merging with rel-v6r7
v6r8p8 notes
Merge remote-tracking branch 'upstream/rel-v6r8' into rel-v6r8