format package.json of galleria
add git auto-update for galleria
add galleria v1.4/1.4.1/1.4.2
add galleria v1.2/1.2.1/1.2.2/1.2.4/1.2.5
add galleria v1.3.2/1.3.4
add git auto-update for jquery.nanoscroller
add jquery.nanoscroller v0.8.2
add jquery.nanoscroller v0.5.x
add jquery.nanoscroller v0.6.x, except v0.6.8
add jquery.nanoscroller v0.7/0.7.1/0.7.3/0.7.5
add missing files in jquery.nanoscroller v0.6.8
add missing files in jquery.nanoscroller v0.7.4/0.7.6/0.8.0