Merge pull request #500 from yushijinhun/master

Fix #491
link to the actual license file

...because apparently people get confused by having to click one more link.
Stops squids spawning in placed elements
Merge
Merge
moves empty tube to 0 meta

also makes elements have the meta value of their weight
Merge pull request #506 from hilburn/master

Stops Squids spawning in placed chemicals
Merge pull request #507 from way2muchnoise/master

moves empty tube to 0 meta, #502
Fixes crash in #505
Merge pull request #508 from hilburn/master

Fixes crash in #505
Fixes some stuff

shifting the element ID stuff up one messed with the minetweaker stuff a
little bit - this fixes it
Also it would never display the final element (UuT by default) which
this also fixes
Merge pull request #509 from hilburn/master

Fixes some stuff
stops "solid" chemical blocks from flowing down
Merge pull request #510 from hilburn/master

stops "solid" chemical blocks from flowing down
moves potion effects to dynamic registry

next stop MT support
adds MT stuff for molecule effects
merry Christmas @parcel31u
Merge pull request #513 from way2muchnoise/master

Adds dynamic molecule effects
things!

Fixes @way2muchnoise's MT stuff
improves the colour enum by changing to correct spelling
adds colour to radiation enum and pharmacologyeffects
adds an optional display of effects on molecules
Merge pull request #514 from hilburn/master

things!