Update help_and_support.po
Update foreword.po
Update features.po
Update conventions.po
Merge pull request #55 from ajazepk/patch-3

Update foreword.po
Merge pull request #56 from ajazepk/patch-4

Update features.po
Merge pull request #57 from ajazepk/patch-5

Update conventions.po
fix hi conventions.po
Merge pull request #54 from ajazepk/patch-2

Update help_and_support.po
fix hi translation

via a one time loading in Linguist, it works
adding hindi as language to build
Update documentation for Heatmap plugin
Merge pull request #59 from nyalldawson/master

Update documentation for Heatmap plugin
changed two icons
removed unnecessary introduction headline
changed index syntax
figured out, how to integrate index syntax for translation
Update README.rst

Add comment about using footnotes
updtate examples for index usage
changed icons to new theme used in QGIS >= 2