Bump version to 1.5.2 (coredns#2969)

Run through the motions; create manual pages. Run go generate for good
measure. Fix typo in Makefile.release while at it.

Signed-off-by: Miek Gieben <[email protected]>

Tag 1.5.1 (coredns#2927)

Signed-off-by: Miek Gieben <[email protected]>

WIP: travis changes (coredns#2766)

* WIP: travis changes

Simplify Travis so it fails less often.

We don't need docker any more, let alone trusty and sudo, so simplifies
this, to just os: linux.

Signed-off-by: Miek Gieben <[email protected]>

* This?

Signed-off-by: Miek Gieben <[email protected]>

up the version to 1.4.0 (coredns#2642)

Signed-off-by: Miek Gieben <[email protected]>

Tag version 1.3.1 (coredns#2458)

Tag the 1.3.1 version.

Signed-off-by: Miek Gieben <[email protected]>

Release 1.3.0 (coredns#2399)

Signed-off-by: Miek Gieben <[email protected]>

Bump version to 1.2.6 (coredns#2271)

Signed-off-by: Miek Gieben <[email protected]>

Bump version 1.2.5 (coredns#2235)

Signed-off-by: Miek Gieben <[email protected]>

Release: bump version to 1.2.4 (coredns#2211)

Signed-off-by: Miek Gieben <[email protected]>

Bump version to 1.2.3 (coredns#2200)

Signed-off-by: Miek Gieben <[email protected]>