LRDOCS-67 Started documentation on Liferay-UI: icon, calendar, input-checkbox, input-date, input-field, input-search, input-select, input-textarea, input-time, input-time-zone and tabs.
LRDOCS-67 Made edits to documentation to fit guidelines.
LRDOCS-67 Edit through the icon tag.
LRDOCS-67 Edits made to documented tags to match documentation guidelines.
LRDOCS-67 Started documentation on Liferay UI taglib.
LRDOCS-67 Remove toggle element's descriptions until it they're fleshed out better.
LRDOCS-67 Edit tag descriptions.
LRDOCS-67 minor spacing issues