Movedand updated to systemverilog

Movedand updated to systemverilog

cloning helper ctag functions from https://raw.githubusercontent.com/vhda/verilog_systemverilog.vim

Fixed indent for Virtual & Static class/functions based on https://github.com/nickjones/verilog_systemverilog.vim/commit/10348c08aa8d0c4f788903a29f5a8c37b199e0f5

Changed names from verilog_systemverilog to systemverilog

updated system verilog

Merge branch 'master' of http://github.com/morganp/vim-SystemVerilog

Made ftplugin local rather than call verilog

Cleaned up filetype detection

Formatting: Added new line

Copy of verilog_systemverilog into submodule

Initial Commit