multiple fixes

fixed frontpage article name ellipsis
tried to fix empty word issue with reuters (untested)
fixed frontpage transparent menubar unreadable search results when scrolling
fixed frontpage search results too close to each other
temporarily disabled advanced search until date function is working
added load more button to frontpage
added article menu
added article menu to article link
fixed articles sort in explorer
added series name to chart tooltipcs
fixed reloading network nodes on reselect
network limited all requests to 50