refactoring
started first (early) draft of a LUA backend for boxplots
refactoring of new boxplot lua backend
finished draft for boxplot lua backend.
improved (?) robustness of boxplot TeX code (although still wrong for small data sets)
updated code docs
fixed small regression in lua backend; updated todo
LUA backend: fixed serialization problem in color mapping
updated todo
fixed lua compile errors in manual(s)
- fixed bug: memory allocation in FPU consumed too much memory
updated todo
update todo
Merge branch 'luabackend'

Conflicts:
	doc/generic/pgfplots/README
	doc/latex/pgfplots/pgfplotstodo.tex
Updated todo
Restructured LUA files: no more periods in file names, included module structure.

Might still need a revision to become compatible with context, though...
fixed backwards compatibility support for PGF 2.10