Make LDOWN take priority over caption-less drag

Again.

Fixes #3940
Revert recent changes to mouse wheel handling

This reverts commit 8d3ad50708f56c61a243b8b953c8eb4ca2ace8b7.
This reverts commit 4ff7ba5771b6349ce23edb651a9051fff5f67d48.
Silence possible loss of data warning
SSATag: Initialize all member variables in the constructor.
GaussianKernel: Remove the default copy constructor.

We don't need it and using it would lead to double delete.
Enable C++11 explicit deletion of copy constructors now that we use VS2013.
Fix loading of subtitles containing entries with a null duration.
Updated LAV Filters to 0.60.1-5-974e300 (custom build based on stable version 0.60.1)

Fix a regression in LAV Video Decoder 0.60: MPEG2 decoding crashed.
Split PM_CAPTURE mode into PM_ANALOG_CAPTURE and PM_DIGITAL_CAPTURE
DVB: Don't update stats when channel is not active.
DVB: Show current event time in the status bar
DVB: Make use out of the DVBState struct.
Mpeg2SectionData: Minor refactioring of the ParseEIT() method
DVB: Cosmetic for SetChannel()
Cosmetics for timers.
Cosmetics for stats.
Use GetLoadState() method instead of checking m_eMediaLoadState directly.
DVB: Fix time calculations

StartTime was day off in certain cases.
time
build_lavfilters.bat: Don't overwrite errorlevel.