mode.js: Author: add formatName() for displaying names
classes.less: add enum-with-comma for use in author enum
layout.less: use new enum-with-comma mixin
[css] change abstract from class to id
colors.less: add bccn blue color
RoutesResolver: fix abstractsUrl
[views] abstraclist: new view for a list of abstract of a conf.
controllers.Application: add listAbstracts()
[route] add /conference/:id route to Application.listAbstracts
[css] layout.less: add styles for id abstract-list
controller.Abstracts: libByConference is REST based (fix)
[css] color-blue-bccn: specify in rgb not in hex
Merge pull request #59 from gicmo/abstractList

Abstract List: first implementation