Distinguish testing and installation browsers
The configure script now accepts BROWSER and TEST_BROWSER
Make testing configurable
Add options to configure in accordance with #97
merge build system
Add target and install directory auto-detection
It's simplistic, yet (hopefully) good enough.
Add (basic) install support
The extension can be installed if DESTDIR is supplied
Adjust makefile targets
Rename some files used in building and remove redundant aliases
Add VPATH and Haketilo version to the makefile as part of configure.
Add a configuration system