name the files for gt_repfind() consistently
remove the dependency on ncurses

I don't know anyone who has used this experimental feature over the years.
But the external dependency on ncurses caused a lot of pain for users and
developers, therefore I removed it completely.
That is, the previous behaviour with curses=no is now the default.
dist target cannot depend on manuals anymore

for cross-compiles we have to build the manuals before
cosmetics
fix `make manuals`
allow to override strip command

for cross-compilation
add build script for different Linux ARM targets
Merge pull request #102 from gordon/curses

 remove the dependency on ncurses
Merge pull request #101 from gordon/rename

name the files for gt_repfind() consistently
fix failing gtdoc test
Merge pull request #96 from gordon/arm

build GenomeTools for different Linux ARM targets