Make space-vim able to be installed to location other than ~/.space-vim

New Bug: layers/layers.py has incorrect path to info.vim

core/autoload/spacevim/autocmd/unite.vim

@@ -101,7 +101,7 @@ let s:menus.v = {
             \}
 let s:menus.v.command_candidates = [
             \['►   init.vim',
-            \'e ~/.vimrc'],
+            \'e '.g:spacevim.base.'/init.vim'],
             \['►   .spacevim',
             \'e ~/.spacevim'],
             \['►   vim-help',

core/autoload/spacevim/map/manager.vim

@@ -2,7 +2,7 @@ let s:clap_enabled = get(g:, 'spacevim_enable_clap', 0)
 
 let g:spacevim#map#manager#quick_open = [
         \ '~/.spacevim',
-        \ '~/.space-vim/init.vim',
+        \ g:spacevim.base.'/init.vim',
         \ '~/.bashrc',
         \ '~/.zshrc',
         \ '~/.tmux.conf',

init.vim

@@ -17,7 +17,7 @@
 scriptencoding utf-8
 
 let g:spacevim = get(g:, 'spacevim', {})
-let g:spacevim.base = $HOME.'/.space-vim'
+let g:spacevim.base = fnamemodify(resolve(expand('<sfile>:p')),':h')
 let g:spacevim.version = '0.9.0'
 
 " Identify platform {
@@ -35,6 +35,6 @@ if g:spacevim.os.windows
 endif
 " }
 
-set runtimepath+=$HOME/.space-vim/core
+let &runtimepath = &runtimepath . ',' . g:spacevim.base . '/core'
 
 call spacevim#bootstrap()

layers/+tools/lsp/config.vim

@@ -60,7 +60,7 @@ function! s:lcn() abort
   let g:LanguageClient_loggingFile = '/tmp/LanguageClient.log'
   let g:LanguageClient_loggingLevel = 'INFO'
   let g:LanguageClient_serverStderr = '/tmp/LanguageServer.log'
-  let g:LanguageClient_settingsPath = expand('~/.space-vim/layers/+tools/lsp/settings.json')
+  let g:LanguageClient_settingsPath = fnamemodify(resolve(expand('<sfile>:p')),':h').'/settings.json'
 
   let g:LanguageClient_serverCommands = {
         \ 'c': ['ccls', '--log-file=/tmp/cq.log'],