Imported Upstream version 3.7.7
Merge tag 'development/3.7.7' into raring

Upstream version 3.7.7
Revert "import mercurial patch that fixes typo in plot functions"

This reverts commit e145dca752957b9b0c5fce62150f408f874f04cd, since
it's fixed in upstream
Refresh patches
Launchpad PPA release
Launchpad PPA release
merge quantal to precise
Refresh LLVM patch
Launchpad PPA release