TinyMCE patch for IE11
Bugfix: \Nos\FrontCache::get() doesn't work if duration>60

Bug introduced in 4b0dd69793775b74dcd248e2c6f19df3e1cd80d1
Merge pull request #71 from jay3/patch-10

Bugfix: \Nos\FrontCache::get() doesn't work if duration>60
Merge master/chiba2