Removed ununsed import
Creating the new layers applier class based on a priority queue
Trying to get the layers applier replacemnt to work
Changed the way replace_all works, so that it works smoothly with html
Added some more testing
All layers are now designed to behave like searchandreplace layers. Also, search and replace is HTML aware.
Previous methods are now static - reflected this change
Travis bugs
Run grunt from within front_end
Fixed test due to changes in how we build in layers
Merge pull request #67 from cmc333333/travis

Travis Tweaks
Merge branch 'master' of github.com:eregs/regulations-site
Added lxml to the requirements file
Added paragraph marker layer back in
Merge pull request #69 from khandelwal/master

Fixes #63, #47, #36
Renamed parameter to replace method to better clarify that this acts on xml nodes, not nodes of the tree
Merge pull request #70 from khandelwal/master

Renamed node to xml_node for better documentation.
#61. Removes duplicated ids in the appendix table of contents