[lasem] (22 commits) ...<mathml:operator> Fix named space normalization.

[Emmanuel Pacaud <emmanuel src gnome org>]

Summary of changes:

  b37e7a9... [Mathml] Remove lsmdomattributes.[ch] (*)
  e30881e... [Mathml] s/lsm_dom_attribute/lsm_mathml_attribute/g (*)
  7c11cc0... [Mathml] More renames. (*)
  cf26c6a... [Mathml] More renames. (*)
  bfc598b... [Mathml] Migration to lsm_attribute_manager WIP. (*)
  59e4c44... [Mathml] Migration to lsm_attribute_manager WIP. (*)
  9acb7d2... [Mathml] Migration to lsm_attribute_manager WIP. (*)
  de0c199... [Mathml] Migration to lsm_attribute_manager WIP. (*)
  6a616cb... [Mathml] Migration to lsm_attribute_manager WIP. (*)
  b99418c... [Mathml] Migration to lsm_attribute_manager WIP. (*)
  0809617... [Mathml] Migration to lsm_attribute_manager WIP. (*)
  6b43300... [Mathml] Move space definitions to lsmmathmltraits.h (*)
  19a063b... [Mathml] Migration to lsm_attribute_manager WIP. (*)
  f27ebee... [Mathml] Remove dead code. (*)
  726b3cd... [Mathml] Migration to lsm_attribute_manager WIP. (*)
  8efbb0f... [SVG] Simplify lsm_svg_dash_array_new (*)
  6ac7928... [SVG] Frees ressources allocated for attributes. (*)
  7a15127... [Base] Fix definition of LsmTrait. (*)
  f596bae... [Base] Fix typo in comment. (*)
  4b629e8... [Mathml] Migration to lsm_attribute_manager WIP. (*)
  d3cb35b... [Mathml] Fix computation of lengths and spaces (*)
  79317d7... <mathml:operator> Fix named space normalization. (*)

(*) This commit already existed in another branch; no separate mail sent