Merge pull request #96 from ripple/gh-pages

Update master
[CLEANUP] Minor improvements to API tools
[DOC] mention tej errors
[FIX] websocket tool - stream was always hidden
[DOC] add marker documentation to paging trust lines and balances
Merge pull request #98 from boxbag/paging-marker-docs

[DOC] add marker documentation to paging trust lines and balances
[DOC] update limit defaults
Merge pull request #99 from boxbag/limit-defaults

[DOC] update limit defaults