Merge pull request #24 from kknavs/master

Form & resource update, timeout fix
Added several functions related to graphs.
Finished simple radio button switching for graph.
Added color coding for graph and some related css.
Merge pull request #25 from JonNatanael/master

Evo, histogrami za posamezne številčne vrednosti meritev.
Merge pull request #26 from JonNatanael/master

Color coding for graph.
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