0.0.2
Merge remote-tracking branch 'origin/dev' into release

Conflicts:
	src/main.lib.sh
Some edits
Fixed weird bug with ftp check
prevent repeating modules
fixed bug with function name
Added default config
Added 'auth-keys-file' option to the 'ssh' module
attempt to get rid of 'trim_modules' function
fixed some bug with core::module::check
Ruby module
Backup module
added some necessary code for further working with Dropbox
Added installing additional gem for mail
Test for get_module_opts_var() (#2)
Correct dependency installation for Backup