happstack: fixing bugs from meeting
Remove blaze-svg
Merge pull request #203 from Courseography/ian-happstack

Ian happstack
happstack: Fix table head in grid (incorrect merge)
happstack: Fix bug where the list of courses was not set
309-bug: Fix parsing of tutorials
309-bug: Fix array length access
Issue 206: Fix problem of double mouse callbacks
Merge pull request #207 from Courseography/issue-206

Issue 206
Node text: fix alignment of text in nodes
Fix modal translation