subversion: Depends on apr, apr-util
subversion: Depends on apr, apr-util

Add apr and apr-util dependency.
Install serf in prefix rather than libexec/serf.
Fixes: "cannot find libserf-1.so.1" when running svn built with serf

Closes #408.
Closes #409.

Signed-off-by: Shaun Jackman <b580dab3251a9622aba3803114310c23fdb42900@gmail.com>

DoomHammer/linuxbrew,dholm/linuxbrew,adamliter/linuxbrew,adamliter/linuxbrew,ebouaziz/linuxbrew,jbaum98/linuxbrew,ebouaziz/linuxbrew,Linuxbrew/linuxbrew,tghs/linuxbrew,Angeldude/linuxbrew,saketkc/linuxbrew,lvicentesanchez/linuxbrew,IsmailM/linuxbrew,drbenmorgan/linuxbrew,tdsmith/linuxbrew,jack-and-rozz/linuxbrew,arcivanov/linuxbrew,princeofdarkness76/linuxbrew,digiter/linuxbrew,davydden/linuxbrew,dholm/linuxbrew,gnubila-france/linuxbrew,amenk/linuxbrew,Angeldude/linuxbrew,digiter/linuxbrew,Homebrew/linuxbrew,jack-and-rozz/linuxbrew,lvicentesanchez/linuxbrew,ebouaziz/linuxbrew,DoomHammer/linuxbrew,romejoe/linuxbrew,davydden/linuxbrew,LeonB/linuxbrew,tdsmith/linuxbrew,bukzor/linuxbrew,Linuxbrew/linuxbrew,tjhei/linuxbrew,amenk/linuxbrew,bukzor/linuxbrew,Angeldude/linuxbrew,gcstang/linuxbrew,drbenmorgan/linuxbrew,digiter/linuxbrew,outcoldman/linuxbrew,reelsense/linuxbrew,bukzor/linuxbrew,tdsmith/linuxbrew,hyokosdeveloper/linuxbrew,Gui13/linuxbrew,tghs/linuxbrew,adamliter/linuxbrew,lvicentesanchez/linuxbrew,saketkc/linuxbrew,caputomarcos/linuxbrew,tghs/linuxbrew,tdsmith/linuxbrew,digiter/linuxbrew,Gui13/linuxbrew,danabrand/linuxbrew,reelsense/linuxbrew,SuperNEMO-DBD/cadfaelbrew,Angeldude/linuxbrew,IsmailM/linuxbrew,outcoldman/linuxbrew,reelsense/linuxbrew,tghs/linuxbrew,IsmailM/linuxbrew,lvicentesanchez/linuxbrew,tomas/linuxbrew,digiter/linuxbrew,romejoe/linuxbrew,jbaum98/linuxbrew,Homebrew/linuxbrew,gnubila-france/linuxbrew,brevilo/linuxbrew,jack-and-rozz/linuxbrew,DoomHammer/linuxbrew,princeofdarkness76/linuxbrew,jwillemsen/linuxbrew,Homebrew/linuxbrew,ebouaziz/linuxbrew,arcivanov/linuxbrew,saketkc/linuxbrew,reelsense/linuxbrew,arcivanov/linuxbrew,danabrand/linuxbrew,bukzor/linuxbrew,sjackman/linuxbrew,gcstang/linuxbrew,DoomHammer/linuxbrew,tjhei/linuxbrew,IsmailM/linuxbrew,tomas/linuxbrew,jbaum98/linuxbrew,Linuxbrew/linuxbrew,adamliter/linuxbrew,LeonB/linuxbrew,sjackman/linuxbrew,romejoe/linuxbrew,brevilo/linuxbrew,hyokosdeveloper/linuxbrew,amenk/linuxbrew,Gui13/linuxbrew,danabrand/linuxbrew,LeonB/linuxbrew,SuperNEMO-DBD/cadfaelbrew,sjackman/linuxbrew,outcoldman/linuxbrew,brevilo/linuxbrew,hyokosdeveloper/linuxbrew,sjackman/linuxbrew,drbenmorgan/linuxbrew,davydden/linuxbrew,dholm/linuxbrew,tjhei/linuxbrew,hyokosdeveloper/linuxbrew,princeofdarkness76/linuxbrew,gcstang/linuxbrew,Homebrew/linuxbrew,caputomarcos/linuxbrew,SuperNEMO-DBD/cadfaelbrew,gnubila-france/linuxbrew,tdsmith/linuxbrew,davydden/linuxbrew,tomas/linuxbrew,saketkc/linuxbrew,jwillemsen/linuxbrew,drbenmorgan/linuxbrew,danabrand/linuxbrew,Gui13/linuxbrew,Linuxbrew/linuxbrew,Gui13/linuxbrew,SuperNEMO-DBD/cadfaelbrew,caputomarcos/linuxbrew,jbaum98/linuxbrew,jwillemsen/linuxbrew,amenk/linuxbrew,tomas/linuxbrew,tghs/linuxbrew,gnubila-france/linuxbrew,caputomarcos/linuxbrew