Merge pull request #14 from natcl/master

Hi there, added a package-info.json file for the package downloader, could you updated it with the relevant info ? Thanks !
updated package-info.json
initial version of buffer2l
preliminary help file
added ej.buffer2 l to read me and overview
buffer2l: channel support
buffer2l: zoom
buffer2l: output on loadbang
buffer2l: mira and channels examples
updated version number
buffer2l: the class…
Corrected download link in package-info.json