Update to subversion 1.11.0.

Signed-off-by: Val Kulkov <val.kulkov@gmail.com>

While at it, add build dependency on apr-util.

Signed-off-by: Val Kulkov <val.kulkov@gmail.com>

Update from 1.9.7 to 1.10.0.

Signed-off-by: Val Kulkov <val.kulkov@gmail.com>

This is a straightforward update to the latest version that
fixes a security issue per CVE-2017-9800:
http://subversion.apache.org/security/CVE-2017-9800-advisory.txt

Signed-off-by: Val Kulkov <val.kulkov@gmail.com>

Update Subversion packages to the latest release, v1.9.6.

Signed-off-by: Val Kulkov <val.kulkov@gmail.com>

Compile tested: LEDE HEAD

If unixodbc package is present in the environment, subversion
fails to compile due to missing dependencies.

Fixes the dependency on unixodbc if unixodbc package is selected.

Signed-off-by: Val Kulkov <val.kulkov@gmail.com>

Compile tested: ar71xx
Run tested: ar71xx

Signed-off-by: Val Kulkov <val.kulkov@gmail.com>

Bring back Subversion from oldpackages and update to the latest version.
Create prerm script to stop subversion server and remove init script
on uninstall.

Signed-off-by: Donald Rumata <donald.rumata@gmail.com>