Remove references to nonexistent include directories

Some of these were legacy references to absolute paths outside of
the project itself.
Don't use the encoder include dir when building the decoder
Unify the include dirs within the decConsole project

Some include directories were only present in debug builds.
Unify the include directories in the WelsVP project

Some directories had a trailing slash in some configurations, but
not in other configurations. Make sure the directories are the same
in all configurations.
Remove unnecessary, empty, file specific FileConfiguration blocks in vcproj files
Don't hardcode SuppressStartupBanner=true, this is the default value

The fewer fields overridden, the better.
add some parameter settings in command line
    add the maximum nal size setting in command line
fix input source width and height setting issue
Merge pull request #814 from ruil2/enc_nalsize

    add the maximum nal size setting in command line
Merge pull request #815 from ruil2/enc_threadIdc

add some parameter settings in command line
Merge pull request #816 from ruil2/enc_scale

fix input source width and height setting issue
Merge pull request #813 from mstorsjo/msvc-proj-cleanup

Clean up the MSVC project files