Revert "Hopefully this finally fixes #79"

This reverts commit d36039089aadab2c395382d54f3d63b1cef26486.
Revert "Fixed up arrow key move for Mathtex Images"

This reverts commit 4148dd18603a2ba8023399e1ae669396b547da34.
Revert "Fixed bug #79 regarding move errors"

This reverts commit 9ee516c1c75423dd1398c165b61466f868bd1974.
Revert "Finalize TeX move on mouse release"

This reverts commit 957e4a9fed66a5288c091a75aae1016f74cc2558.
Added shape recognizer to combobox
Finished adding shape recognition to toolbar
Fix up TeX moving.
Updated release version
Merge branch 'master' into addpoppler