New version of HESK: 2.6.3

[Klemen]

HESK has just been updated to version 2.6.3

This is primarily a bug fix release, no major new features have been added.

UPDATE FROM VERSION 2.6.2:
1. Download HESK 2.6.2 to 2.6.3 patch
2. Read HOW TO INSTALL.html

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UPDATE FROM VERSION 2.6.1:
1. Download HESK 2.6.1 to 2.6.3 patch
2. Read HOW TO INSTALL.html

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UPDATE FROM VERSION 2.6.0:
1. Download HESK 2.6.0 to 2.6.3 patch
2. Read HOW TO INSTALL.html

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UPDATE FROM OLDER VERSIONS:
1. Download Full installation file
2. Open docs/step-by-step-guide.html and read instructions under "Upgrading from old versions"


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CODE CHANGES IN 2.6.3:
If you have a customized version of HESK 2.6.x you can apply the code changes yourself:
HESK 2.6.2 to 2.6.3 unified file
HESK 2.6.1 to 2.6.3 unified file
HESK 2.6.0 to 2.6.3 unified file