Fix java-maven template.

Allow working without rpm and gear tools
Add here option to create spec in current directory
Add force option to overwrite existing directories or spec
Some refactoring

Add readline
Create golang-bin spectemplate
Add owner option

Fix interactive mode broken with last update

(ALT #34017) Use deafult value for optional arguments

Replace tabs with whitespaces

(ALT #33935) Print created directory

Add newline to generating .gear/rules
Fail if could not get packager

Add new spectemplates for executables

Add test option

Fix using gear post operations without --git option

Create python3 spectemplate

(ALT #33596): wrong syntax for building from tag

Add git command line option to clone from url, clear repo and configure