Ask Jeannie when Betty doesn't know what to say
Fixed #15.
find processes:
"list of all processes"
"processes by user root"
"show me my processes matching log"
made betty more robust
''
Merge remote-tracking branch 'origin/dev'
Merge remote-tracking branch 'origin/dev'
Add os module to display platform name
Change map module to use command depend on platform
find module improvements

* allow to specify multiple extensions for files,
   for example: betty find rb,md files
* some small improvements in regex and documentation
Made modules more robust

Merge branch 'dev' of https://github.com/pickhardt/betty into dev

Conflicts:
	main.rb
Merged local state

Conflicts:
	lib/process.rb
Merge pull request #42 from dblotsky/easter_eggs

Merged: Fixed #15.
Merge pull request #53 from mlitbk/find-improve

find module improvements
fixed find.rb wrong quotation

me:~/betty$ so find rb files
Joe: Running find . | egrep "\.(rb)$"
sh: -c: line 0: syntax error near unexpected token `('

=>

egrep '#{ pattern }'

OK
Merge pull request #50 from igorrKurr/os-module

OS Module created and Map module improved
Merge commit '171ad25' into dev :  OS Module created and Map module improved #50
improved module OS
Merge branch 'jeannie' of https://github.com/bogdan-kulynych/betty into bogdan-kulynych-jeannie
Merge branch 'bogdan-kulynych-jeannie' into dev