Upgrade to Atlassian Bitbucket Server 5.0.0

Major update with one issue due to update of git.

Default Git version available for CentOS 7 is 1.8.3.1
yum info git
Available Packages
Name : git
Arch : x86_64
Version : 1.8.3.1
Release : 6.el7_2.1
Size : 4.4 M
Repo : base/7/x86_64
Summary : Fast Version Control System
URL : http://git-scm.com/
License : GPLv2
Description : Git is a fast, scalable, distributed revision control system with an
: unusually rich command set that provides both high-level operations
: and full access to internals.
:
: The git rpm installs the core tools with minimal dependencies. To
: install all git packages, including tools for integrating with other
: SCMs, install the git-all meta-package.
Bitbucket Server 5.0 release notes