Merge pull request #237 from tawtao/th-trans

Add new 69 thai language translation.
Rename 'curve' to 'path' in masks

... and make the default names of masks translatable.
Fix masks wording: remove "shape"
Mark default mask group names as translatable
Add a little more space to blending widgets
Fix some more widget spacings
New danish translation by Thomas Pryds
fix colorlabels in lua
implement ipairs for lua types than handle numbers
unbreak input profile: also copy alpha channel in case mask is displayed. fixes #9426
masks path : use distance to select shapes
updated pt_PT translations
[mi] allow to duplicate an iop with params
[mi] respect solo mode when creating new instances

... and hide the base instance when solo mode is active.
Merge branch 'master' into th-trans