add gitignore files
do not set http headers when static@tntnet is not called as top level component
fix references to other man pages in man pages
implement virtualhosts configuration, so that all mappings for a virtual host can be combined into one section
implemented easier api for accessing and converting query arguments
implemented easier api for accessing and converting query arguments
fix fetching vector of query parameters
fix case of pidfile and compPath in documentation and example file
remove obsolete files
multiple changes:
* simplify definition components from cpp
* simplify configuration of components
* session and application unlocker lock scope on destruction only if scope was locked before
* move macros to define scoped variables to header tnt/component.h from tnt/ecpp.h to make them
  available in components defined in cpp and construct the key parameter from type and varname
  instead of expecting it as a parameter
* document default components of tntnet from tntnet.so in man page tntnet-defcomp(1)
* use the simplified way to define components in demos
* add include attribute to scope tags
add configuration for calcmvc demo
Merge https://github.com/maekitalo/tntnet