TeXMaker specifications

Bugs fixed :
- a critical bug about the syntax highlighting has been fixed
- the bug about the detection of the language for the user manual has been fixed
- the regression about the highlighting of search results has been fixed
- the trouble about the syntax highlighting with the \verb* and \begin{verbatim*} commands has been fixed
Features :
- the shortcuts of the "Tool" and "Edit" menus can now be modified
- While using the "New by copying an existing file" command, the directory of the file is now stored
- the list of asymptote and tikz tags has been completed
- users can now hide the pstricks/metapost/tikz/asymptote icons in the structure panels by clicking on the tool bar
- users can now hide some commands in the left tool bar of the editor
- the "underline" tag is replaced by the "emphasis" tag in the left toolbar of the editor
- if errors are detected, the log file is now displayed even if the "quick build" command is not used
- after setting a document as "master", the structure and the bibliography are rescanned