fix: heuristically choose correct function for minors
add: idKeepFirstK() in ideals.cc

Conflicts:
	Singular/MinorInterface.cc
	kernel/ideals.cc
	kernel/ideals.h
chg: rewrite idDelEquals based on qsort()

Conflicts:
	kernel/ideals.cc
chg: incorporate some suggestions by Hans

Conflicts:
	kernel/ideals.cc
fix: idKeepFirstK (Example_7_3_14)

Conflicts:
	kernel/ideals.cc
fix: const

Conflicts:
	kernel/ideals.cc
Merge pull request #280 from malex984/adapting_commits_from_master_minors

Adapting commits from master minors
added script clone_autogen_generated_stuff.sh (for Hans)
Merge pull request #281 from mohamed-barakat/spielwiese

added script clone_autogen_generated_stuff.sh (for Hans)
updated .gitignore
Merge pull request #282 from mohamed-barakat/spielwiese

updated .gitignore
Removed fancy m4 syntax from help output within AX_PYTHON_WITH_VERSION
Fixing the distribution of emacs files due to Mac OS X or older automake