removed packed file
do not run removeQuery twice if query instance disposed
update gitignore
getSession function simplified
fixed bug the line is on bottom if all values are same when render line graph
if long-polling failed, log jqxhr object, delay and poll again
added simple widget and test
series data structure changed, fixed bug removed widget do refresh on before loaded
added file-input directive
Merge branch 'master' into uidev
Merge branch 'uidev'