Typo in the linkin.md docs
Merge pull request #226 from openshift/geard_devel

Documentation improvement
Improve/unify sti and gear help commands
Print error on `sti build` with too few arguments

Fix "panic: runtime error: index out of range" error when only one
or two arguments are passed to `sti build` cmd.
Merge pull request #225 from VojtechVitek/help_commands

Improve/unify sti and gear help commands