libqt4 from server:Kolab:16.0 project

需要 openSUSE Leap 15.2 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/server:Kolab:16.0/openSUSE_Leap_15.2/server:Kolab:16.0.repo
zypper refresh
zypper install libqt4

需要 openSUSE Leap 15.1 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/server:Kolab:16.0/openSUSE_Leap_15.1/server:Kolab:16.0.repo
zypper refresh
zypper install libqt4

需要 openSUSE Leap 15.0 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/server:Kolab:16.0/openSUSE_Leap_15.0/server:Kolab:16.0.repo
zypper refresh
zypper install libqt4

需要 15.3 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/server:Kolab:16.0/15.3/server:Kolab:16.0.repo
zypper refresh
zypper install libqt4

需要 SLE 15 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/server:Kolab:16.0/SLE_15/server:Kolab:16.0.repo
zypper refresh
zypper install libqt4