make colors user adjustable. (#151)

* make colors user adjustable.
- Systematize colors and make them user adjustable. See documentation for details.
  this requires the \moderncvcolor to be issued BEFORE \moderncvstyle.

* fix missing characters for fancy style

* manually copied the current version user guide form master

---------

Co-authored-by: David <forenkram@gmx.de>
Co-authored-by: LLdaniel <daniel.adlkofer2@freenet.de>
Co-authored-by: daniel <41345639+LLdaniel@users.noreply.github.com>

moderncvheadi.sty

@@ -48,10 +48,12 @@
 \renewcommand*{\quotefont}{\large\slshape}
 
 % styles
-\renewcommand*{\namestyle}[1]{{\namefont\textcolor{color0}{#1}}}
-\renewcommand*{\titlestyle}[1]{{\titlefont\textcolor{color2}{#1}}}
-\renewcommand*{\addressstyle}[1]{{\addressfont\textcolor{color2}{#1}}}
-\renewcommand*{\quotestyle}[1]{{\quotefont\textcolor{color1}{#1}}}
+\renewcommand*{\namestyle}[1]{{\namefont\textcolor{namecolor}{#1}}}
+\renewcommand*{\firstnamestyle}[1]{{\namefont\textcolor{firstnamecolor}{#1}}}
+\renewcommand*{\lastnamestyle}[1]{{\namefont\textcolor{lastnamecolor}{#1}}}
+\renewcommand*{\titlestyle}[1]{{\titlefont\textcolor{titlecolor}{#1}}}
+\renewcommand*{\addressstyle}[1]{{\addressfont\textcolor{addresscolor}{#1}}}
+\renewcommand*{\quotestyle}[1]{{\quotefont\textcolor{quotecolor}{#1}}}
 
 
 %-------------------------------------------------------------------------------
@@ -77,7 +79,7 @@
     \collectionloop{socials}{% the key holds the social type (=symbol command prefix), the item holds the link
       \protected@edef\socialsdetails{\socialsdetails\protect\makenewline\csname\collectionloopkey socialsymbol\endcsname\collectionloopitem}}%
     \savebox{\makecvheaddetailsbox}{%
-      \addressfont\color{color2}%
+      \addressfont\color{addresscolor}%
       \if@left\begin{tabular}[b]{@{}r@{}}\fi%
       \if@right\begin{tabular}[b]{@{}l@{}}\fi%
         \ifthenelse{\isundefined{\@addressstreet}}{}{\makenewline\addresssymbol\@addressstreet%
@@ -100,7 +102,7 @@
       {%
         \if@left%
           \hspace*{\separatorcolumnwidth}\fi%
-        \color{color1}%
+        \color{pictureframecolor}%
         \setlength{\fboxrule}{\@photoframewidth}%
         \ifdim\@photoframewidth=0pt%
           \setlength{\fboxsep}{0pt}\fi%
@@ -118,7 +120,7 @@
     \begin{minipage}[b]{\makecvheadnamewidth}%
       \if@left\raggedright\fi%
       \if@right\raggedleft\fi%
-      \namestyle{\@firstname\ \@lastname}%
+      \firstnamestyle{\@firstname}~\lastnamestyle{\@lastname}%
       \ifthenelse{\equal{\@title}{}}{}{\\[1.25em]\titlestyle{\@title}}%
     \end{minipage}}%
   % raise boxes if top option is set
@@ -167,7 +169,7 @@
     % optional detailed information
     \if@details%
       \raggedleft%
-      \addressfont\textcolor{color2}{%
+      \addressfont\textcolor{addresscolor}{%
         {\bfseries\upshape\@firstname~\@lastname}\@firstdetailselementfalse%
         % optional detailed information
         \ifthenelse{\isundefined{\@addressstreet}}{}{\makenewline\addresssymbol\@addressstreet%