docu: fixes typos in documentation

* thanks to Andrea for the hint

doc/src/components.dox

@@ -39,7 +39,7 @@
 */
 
 /**
- * \page yac_lib_utils YAC Utility libary
+ * \page yac_lib_utils YAC Utility library
 
 \include{doc,prefix=yac_lib_utils_} doc/src/lib_utils.idox
 
@@ -48,7 +48,7 @@
 */
 
 /**
- * \page yac_libs YAC libaries
+ * \page yac_libs YAC libraries
 
    \tableofcontents
 
@@ -58,7 +58,7 @@ Information on how to configure, build, install, and link YAC can be found
 YAC contains three libraries: \ref yac_libs_core, \ref yac_libs_mci, and
 \ref yac_libs_utils.
 
-\section yac_libs_core YAC Core libary
+\section yac_libs_core YAC Core library
 
 \include{doc,raise=1,prefix=yac_libs_core_} doc/src/lib_core.idox
 
@@ -66,7 +66,7 @@ YAC contains three libraries: \ref yac_libs_core, \ref yac_libs_mci, and
 
 \include{doc,raise=1,prefix=yac_libs_mci_} doc/src/lib_mci.idox
 
-\section yac_libs_utils YAC Utility libary
+\section yac_libs_utils YAC Utility library
 
 \include{doc,raise=1,prefix=yac_libs_utils_} doc/src/lib_utils.idox
 

doc/src/lib_mci.idox

@@ -15,14 +15,14 @@ It has a high-level \ref yac.h "C", \ref yac_module.F90 "Fortran", and
 \section python The Python bindings
 
 Information on how to build and use the Python bindings for the
-YAC MCI libary can be found \ref pythonbindings "here"
+YAC MCI library can be found \ref pythonbindings "here"
 
 \section add_info Additional information
 
 \subsection init_yac_detail_ Initialising YAC in complex setups
 
 I complex earth system model configurations initialisation of MPI can be a
-difficult task, especially if a setup uses more than one coupling libary or
+difficult task, especially if a setup uses more than one coupling library or
 uses additional IO server components. How to handle these cases with YAC
 is discussed in detail \ref init_yac_detail "here".
 

doc/src/mainpage.dox

@@ -22,10 +22,10 @@
 \section main_extended_info Extended information
 
 The functionallity provide by YAC is grouped into
-\ref yac_libs "three libaries" and a \ref yac_tools "set of tools".
+\ref yac_libs "three libraries" and a \ref yac_tools "set of tools".
 
 Depending on your application you may have to link against one or more of
-these libaries.
+these libraries.
 
 \section main_yac_author YAC Autors