Fix http docs

Fix #116
Document net hook
Document forwarded GM hooks
Merge pull request #129 from Xandaros/docgen

Fix lots of documentation related issues
Merge pull request #130 from Xandaros/uploadFix

Fix players only being able to spawn one screen
[Remove] remove Holograms::setColor

because itz superseeded by Entity::setColor
references #126
Merge pull request #131 from natrim/patch-1

[Remove] remove Holograms::setColor
Fixed AddNotify, changed WireLib.AddNotify to ours.

Fixes #133
Merge pull request #134 from awilliamson/iss133

Fixed AddNotify, changed WireLib.AddNotify to ours.
Document preprocessor directives

Close #127
Merge pull request #135 from Xandaros/directivesDoc

Document preprocessor directives
Add crude usage examples to directives
Merge pull request #136 from Xandaros/directiveExamples

Add crude usage examples to directives
Revert pairs and ipairs to their lua implementation

They were changed because it was not possible to iterate over __index
metamethods. However, with this implementation, it is ONLY possible to
iterate over the table specified in __index.

Furthermore, the implementation of ipairs was iterating over some string
indices, as well.

Fixes #137
Merge pull request #138 from Xandaros/iss137

Revert pairs and ipairs to their lua implementation
Rename starfall_used to starfallUsed

Also documents the hook
Fix documentation of font system
Merge pull request #139 from Xandaros/starfallUsed

Rename starfall_used to starfallUsed
Merge pull request #140 from Xandaros/fontDoc

Fix documentation of font system
Move placeholder provider to shared

These permissions were defaulting to deny on the client