Revert "ui: removed g_<team>maxlives replaced by g_maxlives refs #281"

This reverts commit d83f9052a1187c56e6acbfb652a160edbcbf81fa.

The g_<team>maxlives cvar are still present in the code. Not sure how I
missed that :/
Revert "ui: minor hostgame windows height adjustment"

This reverts commit 144aec0c9660811887d8549733a4eec17ead4a1f.
Revert "ui: minor fixes for polish menus"

This reverts commit ad3d83af8935eac2099bacc0904c01fb07476765.
Merge pull request #43 from Spyhawk/mydev

ui: revert last commits, refs #281