added locked chests in compat.lua
added locked chests to autoplace.lua
added locked chests in Overview.html
Merge pull request #45 from hdastwb/lockedchest

Locked chest integration
Merge pull request #46 from hdastwb/lockedchest

Locked chest documentation
added more powerful sand tubes (MESE sand tubes), along with associated crafts, textures, and documentation
Merge pull request #47 from hdastwb/mesesandtube

MESE Sand Tubes
added ability to disable most components via config file in world folder
moved pipes out of init.lua and into a separate file.
some minor formatting changes
fixed a nil reference (filter code didn't check for unknown nodes)
add license file
added support for 6d facedir for all tube components, changed autoplace.lua to follow tubes.connect_sides rather than having each component coded individually, and added support for placing deployers and node breakers facing vertically
fix the check for technic for craft recipes, use optional depends to
make sure it loads first
oops, technic doesn't need to load first, it depends on pipeworks! duh
removed aliases to the technic deployers/node breakers
Merge pull request #49 from hdastwb/notechalias

remove aliases to the technic deployers/node breakers
always read default_settings.txt before reading the world-folder's settings file

also close the file after copying.