Don't separate paragraph echoes

These were useful when writing, but it's better to keep rules simple,
ie. newlines only between `case`s or around  long `if`s.

src/stub

             echo "everything, so few things still need to be done manually."
             echo "This document will guide you throught the rest of the"
             echo "process."
-
             echo ""
             echo ""
             echo "Structure"
             echo "    idea!), be prepared that you will need to follow their"
             echo "    guidelines.  This will most probably mean huge changes"
             echo "    to these packages or even changes to your workflow."
-
             echo ""
             echo ""
             echo "Placeholders"
             echo "    Typical example of a role is e.g. 'bin' for commands"
             echo "    (normally under '/usr/bin' or '/usr/local/bin'), 'doc'"
             echo "    for documents or 'lib' for libraries."
-
             echo ""
             echo " 2. Next, in \`[roots]\` section, you have to set target"
             echo "    root directory for each role.  However, in order to"
             echo "    environment variable.  For this reason, most paths"
             echo "    need to start with \`[ENV:PREFIX]\`."
             echo ""
-
             echo " 3. \`[files]\` section is where you assign actual files"
             echo "    from your repository to their final paths.  The format"
             echo "    is \`ROLE = REPOPATH [RENAMED]\`, where ROLE is file's"
             echo "    individually, if in your repo you have a directory with"
             echo "    100 files of the same role, you can add just path to the"
             echo "    directory itself."
-
             echo ""
             echo " 4. If some roles require special permissions on your files,"
             echo "    \`[modes]\` section is your friend.  Permissions here"
             echo "    should be in UNIX octal format."
-
             echo ""
             echo " 5. Next, \`[tokens]\` section allows you to define own"
             echo "    placeholders that will be replaced when your scripts are"
             echo "    defined here, plus range of tokens automatically defined"
             echo "    by MKit.  During build, these tokens are replaced with"
             echo "    their actual values."
-
             echo ""
             echo " 6. Less interesting, but important section is \`[dist]\`,"
             echo "    which lists files in your codebase that will be added"
             echo "    above).  Listing directory here will include all its"
             echo "    contents, and normally it's OK to be very inclusive, so"
             echo "    most of the time this section should be OK."
-
             echo ""
             echo " 7. Even less interesting is section \`[ENV]\`.  It is"
             echo "    special in that it provides *default* value for an"
             echo "    environment variable.  You almost never need to touch"
             echo "    this."
             echo ""
-
             echo " 8. Finally, the most interesting section!  \`[project]\`,"
             echo "    provides most general information for your project such"
             echo "    as name and version."