Allow having text items without specifying their type
Prefix the json file by the root page basename
Simplify text template switch
Correctly propagage item attributes to <svg /> tag for plots
Safety: default packed/params to 0 instead of false

Python might be confused when parsing the string "false" as boolean
Parse params.packed out of MATLAB options instead of defaulting to False
Merge branch 'jsonname'
Merge branch 'master' of github.com:iXce/make_webpage