- Update tcsh to patch level 6.18.04 - 20150504
* revert fix echo "\1", it is incorrect.
* revert fix to PR/437, breaks short strings.

- Update tcsh to patch level 6.18.03 - 20150503
* PR/437: Nakajima Akira: Fix segmentation fault reading input files
* PR/291: Print job status messages to stderr.
* Fridolin Pokorny NUL in `` does not mean EOF.
* Pavel Raiskup fix hang with:
while (1)
( date & ; wait )
end
* Add cdtohome special variable (Martin Tournoij)
* Fix root prompt char for windows (Corinna Vinschen)
* For "next" completion matches only consider exact matches of the
previous word (Jamie Landeg-Jones)
* Fix echo "\1" for echo_style=both where the first character was
not processed properly (Gary Duzan)
- Remove patches now upstream
* tcsh-6.18.01-blk_buf.patch
* tcsh-6.18.01-metakey.patch
- Rename patches
tcsh-6.17.03-colorls.dif becomes tcsh-6.18.03-colorls.dif
tcsh-6.17.10-catalogs.dif becomes tcsh-6.18.03-catalogs.dif
tcsh-6.18.00-history-file-locking.patch becomes tcsh-6.18.03-history-file-locking.patch
tcsh-6.18.01-history-merge.dif becomes tcsh-6.18.03-history-merge.dif
tcsh-6.18.00.dif becomes tcsh-6.18.03.dif