Port code to pas2c dialect

pagevideos: Prevent renaming video if file name prefix is already used This prevents some issues and weirdnesses with losing the video thumbnail, etc.

Move video thumbnails to VideoThumbnails/, fix video renaming not renaming the thumbnail as well

Play sndFirstBlood after first damage/kill/poisoning of enemy (instead of ANY damage) This avoids sndFirstBlood being played for self-harm, for which this taunt is a bit odd.

Don't play "LeaveMeAlone" taunt if attacker hits same hog multiple times in same turn Because weapons like cluster bomb could trigger it in a single turn otherwise. The idea is the same hog must be hit across multiple turns.

Re-style QHeaderView colors

Frontend: Normalize appearance/style of all tables

Frontend style: Improve scroll bar coloring

Frontend: Rounded scroll bar corners

Frontend: Add explicit style for QProgressBar

VideoRec: Replace "File of" syntax to make Pas2C happy

Some fixes to make Pas2C happy again

ACF2: Cyborg decision: Wait for 2 seconds when close to cyborg, to allow close attack

ACF5, ACF9: Clear mines around cyborg when it appears This prevents script problems in case the cyborg dies in a cut scene because of the mines

Frontend controls: Add menu key

Frontend controls: Remove hash key