changed symlink to only symlink files
change install script and README
Merge https://github.com/spacebark/homeshick
fix buug
Merge remote-tracking branch 'upstream/master'

Conflicts:
	README.md
	install.sh
	utils/fs.sh
Make symlinking directories safer and clean up code.
Make track link files such that their relative path to the home directory is preserved
Readme clarifications
Fixes #18, fixes #22
Change homesick to homeshick in help messages
Merge pull request #25 from fenekku/doc

Readme clarifications
Minor typo and consistency fixes
Merge remote-tracking branch 'fenekku/master'
Merge remote-tracking branch 'spacebark/master'

Conflicts:
	README.md
	test/run
	utils/fs.sh
--force means overwrite, not "yes" to everything
Generally speaking the --skip and --force flags should be thought over
Remove duplicate git config
Check if castle exists when symlinking
Simplify dir check when symlinking
Restructure linking/mkdir procdure
Only .homeshick and test/run need /usr/bin/env bash
And the -e flag only works for them since they are the
only ones being executed directly from the shell.
All the other files have #!/bin/bash solely for syntax detection
by editors