update mingw to 4.8.3 from mingw-w64 hosting of mingw-builds
updates prior to automatic run for 20141012_054002
Fix download location of gitextensions package
updates prior to automatic run for 20141013_054000
updates prior to automatic run for 20141016_054003
Fixing Jing.
Updating URL
Updating version
updates prior to automatic run for 20141017_054000
Merge pull request #28 from bc3tech/master

Fixing Jing.
updates after pull
Merge pull request #22 from MikaelSmith/update-mingw-4.8.3

update mingw to 4.8.3 from mingw-w64 hosting of mingw-builds
jing package: normalize format of nuspec, add iconUrl

* Indentation: 2 spaces
* Add comment about UTF-8 like in all other nuspec files
* <files> to tools\**