README.md: Fix typo in package name
README.md: Structure the list of dependencies better
README.md: Add dependencies needed to build YaST modules in general
README.md: Add dependencies needed to build specific YaST modules
README.md: Align comments
README.md: Add osc configuration step into "Installation"
Merge pull request #367 from yast/readme-fixes-try-2

[Review] Request from '' @ 'yast/ycp-killer/readme-fixes-try-2'
make perl buildings build. Exclude documentation
do not check ruby file if convert to ruby failed
Merge pull request #368 from yast/do_not_check_if_convert_fail

do not check ruby file if convert to ruby failed
Merge pull request #369 from yast/build_perl_bindings

make perl buildings build. Exclude documentation
updated drbd patch to upstream changes
README.md: Simplify the introduction

All deleted information will be introduced later in a new section.
Merge pull request #370 from lslezak/drbd_update

Updated drbd patch to upstream changes
README.md: Improve step 2 in the installation a bit

There is no need to mention yast-core in the header + the second
paragraph lacked an obvious connection to the first one.
README.md: Move & rename the "Resulting Directory Structure" section

This section should be at the end because it is a reference really. The
new name ("New YaST Module Structure") also better reflects its
contents.
unset RUBYOPT set by bundler

to not check for configured rubygems in external ruby scripts
called during packaging

added "with_env" wrapper
Merge remote-tracking branch 'upstream/master' into bundler_fix

Conflicts:
	lib/commands/ruby_command.rb
renamed with_env to save_env
Merge pull request #371 from lslezak/bundler_fix

Unset RUBYOPT set by bundler