revamp gamemodes section in the ifrontend and update ios game modes
move minestime and turntime *1000 away from frontend and move it in engine (preserving lua compatibility)
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>basic</key>
<array>
<integer>100</integer>
<integer>100</integer>
<integer>100</integer>
<integer>100</integer>
<integer>47</integer>
<integer>5</integer>
<integer>5</integer>
<integer>35</integer>
<integer>30</integer>
<integer>3</integer>
<integer>5</integer>
<integer>10</integer>
<integer>2</integer>
</array>
<key>gamemod</key>
<array>
<false/>
<false/>
<false/>
<false/>
<false/>
<false/>
<false/>
<false/>
<false/>
<false/>
<false/>
<true/>
<false/>
<false/>
<true/>
<false/>
<false/>
<false/>
<false/>
<false/>
<true/>
</array>
</dict>
</plist>