Repo/Travis: Testing adjustments, since some links for preinstall died.

make-doc (was a suggestive add).
git-core (awaiting new linking).
Err http://ppa.launchpad.net/pdoes/ppa/ubuntu/ precise/main git-core all 2:1.8.5.2-0avh1~precise
404 Not Found
E: Unable to fetch some archives

Signed-off-by: Bootz <bootz@projectskyfire.org>

.travis.yml

@@ -24,7 +24,7 @@ compiler:
 before_install:
   - sudo apt-get install libace-dev
   - sudo apt-get install libncurses5-dev
-  - sudo apt-get install build-essential autoconf libtool gcc g++ make cmake git-core patch wget links zip unzip unrar
+  - sudo apt-get update build-essential autoconf libtool gcc g++ make cmake make-doc git-core patch wget links zip unzip unrar
   - sudo apt-get install openssl libssl-dev mysql-server mysql-client libmysqlclient15-dev libmysql++-dev libreadline6-dev zlib1g-dev libbz2-dev
 
 script: